fix: a lots of issues are fixed

Flawless.Client/ViewModels/SettingViewModel.cs

@@ -3,6 +3,7 @@ using System.Collections.ObjectModel;
 using System.Diagnostics;
 using System.Linq;
 using System.Net;
+using System.Reactive.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using Avalonia.Threading;
@@ -61,17 +62,22 @@ public partial class SettingViewModel : RoutableViewModelBase
     
     public SettingViewModel(IScreen hostScreen) : base(hostScreen)
     {
-        LoadClientSettings();
+        _ = LoadClientSettingsAsync();
     }
 
-    private async Task LoadServerData()
+    private async Task LoadServerDataAsync()
     {
         try
         {
+            using (UIHelper.MakeLoading("Fetch server data..."))
+            {
+                await RefreshUsersCommand.Execute();
+
                 var sb = new StringBuilder();
                 ServerBlacklist = sb.AppendJoin(",\n", await Api.C.Gateway.IpWhitelistGet()).ToString();
                 ServerBlacklist = sb.Clear().AppendJoin(",\n", await Api.C.Gateway.IpBlacklistGet()).ToString();
             }
+        }
         catch (Exception ex)
         {
             UIHelper.NotifyError(ex);
@@ -86,7 +92,7 @@ public partial class SettingViewModel : RoutableViewModelBase
         }
     }
 
-    private async Task LoadClientSettings()
+    private async Task LoadClientSettingsAsync()
     {
         LoginUser = (await UserService.C.GetOrDownloadUserInfoAsync(Api.C.Username.Value!))!;
         
@@ -96,7 +102,7 @@ public partial class SettingViewModel : RoutableViewModelBase
         Gender = LoginUser.Sex;
         Bio = LoginUser.Bio;
         
-        if (LoginUser.IsAdmin) await LoadServerData();
+        if (LoginUser.IsAdmin) await LoadServerDataAsync();
     }
 
     [ReactiveCommand]
@@ -231,6 +237,30 @@ public partial class SettingViewModel : RoutableViewModelBase
         }
     }
 
+    [ReactiveCommand]
+    private async Task RefreshUsersAsync()
+    {
+        try 
+        {
+            var users = await Api.C.Gateway.List();
+            Users.Clear();
+            foreach (var user in users)
+            {
+                Users.Add(new UserModel
+                {
+                    Username = user.Username,
+                    Email = user.Email,
+                    IsActive = user.IsActive,
+                    IsAdmin = user.IsAdmin ?? false
+                });
+            }
+        }
+        catch (ApiException ex)
+        {
+            UIHelper.NotifyError(ex);
+        }
+    }
+
     [ReactiveCommand]
     private async Task CreateUserAsync()
     {
@@ -248,7 +278,7 @@ public partial class SettingViewModel : RoutableViewModelBase
 
         try 
         {
-            await Api.C.Gateway.Register(new RegisterRequest() 
+            await Api.C.Gateway.Register(new RegisterRequest
             {
                 Username = result.Username,
                 Password = result.Password,
@@ -348,6 +378,7 @@ public partial class SettingViewModel : RoutableViewModelBase
             if (active) await Api.C.Gateway.Enable(username);
             else await Api.C.Gateway.Disable(username);
             
+            Users.First(x => x.Username == username).IsActive = active;
             UIHelper.NotifySuccess($"{username} has already {(active ? "enabled" : "disabled")}.");
         }
         catch (Exception ex)

Flawless.Client/Views/ModalBox/MergeDialogView.axaml

@@ -8,7 +8,7 @@
              mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
              MinWidth="400"
              x:Class="Flawless.Client.Views.ModalBox.MergeDialogView">
-    <ListBox ItemsSource="{Binding MergeFiles}">
+    <ListBox HorizontalAlignment="Stretch" ItemsSource="{Binding MergeFiles}">
         <ListBox.ItemTemplate>
             <DataTemplate>
                 <ListBoxItem>

Flawless.Client/Views/ModalBox/PasswordChangeDialogView.axaml

@@ -5,7 +5,7 @@
         x:DataType="vm:PasswordChangeDialogViewModel"
         MinWidth="400">
     
-    <Grid Margin="10" RowDefinitions="Auto,Auto,Auto">
+    <Grid Margin="10" HorizontalAlignment="Stretch" RowDefinitions="Auto,Auto,Auto">
         <TextBox Watermark="Old Password" 
                  PasswordChar="*"
                  Text="{Binding OldPassword}"/>

Flawless.Client/Views/ModalBox/UserCreateDialogView.axaml

@@ -4,7 +4,7 @@
         x:Class="Flawless.Client.Views.ModalBox.UserCreateDialogView"
         x:DataType="vm:UserCreateDialogViewModel">
 
-    <Grid Margin="10" RowDefinitions="Auto,Auto,Auto">
+    <Grid Margin="10" HorizontalAlignment="Stretch" RowDefinitions="Auto,Auto,Auto">
         <TextBox Grid.Row="0" Watermark="Username" Text="{Binding Username}"/>
         <TextBox Grid.Row="1" Watermark="Password" 
                  PasswordChar="*" Text="{Binding Password}"/>

Flawless.Client/Views/SettingView.axaml

@@ -64,8 +64,6 @@
             <TabItem IsVisible="{Binding LoginUser.IsAdmin}" Header="Server">
                 <ScrollViewer Width="600" HorizontalAlignment="Left" Margin="6">
                     <u:Form HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
-                        <!-- <TextBox u:FormItem.Label="Server Public Name"/> -->
-                        <!-- <ToggleSwitch u:FormItem.Label="Allow Public Register"/> -->
                         <u:FormGroup>
                             <TextBox u:FormItem.Label="IP Whitelist" Classes="TextArea" AcceptsReturn="True" 
                                      Text="{Binding ServerWhitelist}"/>
@@ -83,18 +81,18 @@
             <TabItem IsVisible="{Binding LoginUser.IsAdmin}" Header="Users">
                 <Grid RowDefinitions="Auto, *" Margin="10">
                     
-                    <StackPanel Orientation="Horizontal">
+                    <StackPanel Orientation="Horizontal" Spacing="6">
                         <Button Content="Refresh" 
                                 VerticalAlignment="Bottom" 
                                 HorizontalAlignment="Right"
-                                Command="{Binding CreateUserCommand}"/>
+                                Command="{Binding RefreshUsersCommand}"/>
                         <Button Content="Add" 
                                 VerticalAlignment="Bottom" 
                                 HorizontalAlignment="Right"
                                 Command="{Binding CreateUserCommand}"/>
                     </StackPanel>
                     
-                    <DataGrid Grid.Row="1" ItemsSource="{Binding Users}" AutoGenerateColumns="False">
+                    <DataGrid Grid.Row="1" ItemsSource="{Binding Users, Mode=TwoWay}" AutoGenerateColumns="False">
                         <DataGrid.Columns>
                             <DataGridTextColumn Header="Username" Binding="{Binding Username}" Width="*"/>
                             
@@ -167,7 +165,7 @@
                         <u:IconButton Icon="{StaticResource SemiIconSearch}" 
                                       Command="{Binding DownloadServerLogCommand}"/>
                     </StackPanel>
-                    <ListBox ItemsSource="{Binding Logs}">
+                    <ListBox ItemsSource="{Binding Logs, Mode=TwoWay}">
                         <ListBox.ItemTemplate>
                             <DataTemplate>
                                 <Grid RowDefinitions="Auto, *" ColumnDefinitions="Auto,*,Auto">