调整订阅分组设置窗口的布局 (#6132)

* 调整订阅分组设置窗口的布局

* 避免添加配置后出现滚动条

v2rayN/ServiceLib/Handler/ConfigHandler.cs

@@ -383,7 +383,7 @@ namespace ServiceLib.Handler
             }
 
             var item = await SQLiteHelper.Instance.TableAsync<ProfileItem>().FirstOrDefaultAsync(t => t.Port > 0);
-            return await SetDefaultServerIndex(config, item.IndexId);
+            return await SetDefaultServerIndex(config, item?.IndexId);
         }
 
         public static async Task<ProfileItem?> GetDefaultServer(Config config)

v2rayN/v2rayN.Desktop/Views/SubSettingWindow.axaml

@@ -53,7 +53,7 @@
                         Binding="{Binding Remarks}"
                         Header="{x:Static resx:ResUI.LvRemarks}" />
                     <DataGridTextColumn
-                        Width="150"
+                        Width="*"
                         Binding="{Binding Url}"
                         Header="{x:Static resx:ResUI.LvUrl}" />
                     <DataGridCheckBoxColumn

v2rayN/v2rayN/Views/SubSettingWindow.xaml

@@ -96,7 +96,7 @@
                         Binding="{Binding Remarks}"
                         Header="{x:Static resx:ResUI.LvRemarks}" />
                     <DataGridTextColumn
-                        Width="150"
+                        Width="*"
                         Binding="{Binding Url}"
                         Header="{x:Static resx:ResUI.LvUrl}" />
                     <DataGridCheckBoxColumn