feat: 增加 ContextMenuFullScreenIcon 参数

Author: ArgoZhang

src/BootstrapBlazor/Components/Tab/Tab.razor

@@ -23,7 +23,7 @@ else if (ShowContextMenu)
             @if (ShowContextMenuFullScreen)
             {
                 <ContextMenuDivider></ContextMenuDivider>
-                <ContextMenuItem Icon="@FullscreenToolbarButtonIcon" Text="@Localizer["ContextFullScreen"]" OnClick="OnFullScreen"></ContextMenuItem>
+                <ContextMenuItem Icon="@ContextMenuFullScreenIcon" Text="@Localizer["ContextFullScreen"]" OnClick="OnFullScreen"></ContextMenuItem>
             }
             @if (ContextMenuTemplate != null)
             {

src/BootstrapBlazor/Components/Tab/Tab.razor.cs

@@ -407,6 +407,12 @@ public partial class Tab : IHandlerException
     [Parameter]
     public string? ContextMenuCloseAllIcon { get; set; }
 
+    /// <summary>
+    /// Gets or sets the icon of tab item context menu full screen button. Default is null.
+    /// </summary>
+    [Parameter]
+    public string? ContextMenuFullScreenIcon { get; set; }
+
     /// <summary>
     /// Gets or sets before popup context menu callback. Default is null.
     /// </summary>
@@ -500,6 +506,7 @@ protected override void OnParametersSet()
         ContextMenuCloseIcon ??= IconTheme.GetIconByKey(ComponentIcons.TabContextMenuCloseIcon);
         ContextMenuCloseOtherIcon ??= IconTheme.GetIconByKey(ComponentIcons.TabContextMenuCloseOtherIcon);
         ContextMenuCloseAllIcon ??= IconTheme.GetIconByKey(ComponentIcons.TabContextMenuCloseAllIcon);
+        ContextMenuFullScreenIcon ??= IconTheme.GetIconByKey(ComponentIcons.TabContextMenuFullScreenIcon);
 
         if (AdditionalAssemblies is null)
         {