feat(BootstrapInputGroupLabel): add IsGroupLabel parameter (#7257)

* feat(Table): use dropdown-column selector

* feat: 增加 IsGroupLabel 参数

* style: 增加样式

* test: 增加单元测试

src/BootstrapBlazor/Components/Button/Button.razor.scss

@@ -1,4 +1,4 @@
-@use "../../wwwroot/scss/variables" as *;
+@use "../../wwwroot/scss/variables" as *;
 
 .btn {
     --bs-btn-font-size: #{$bs-btn-font-size};
@@ -91,4 +91,14 @@
             display: block;
         }
     }
+
+    > .input-group-text:not(:first-child) {
+        border-top-left-radius: 0;
+        border-bottom-left-radius: 0;
+    }
+
+    > .input-group-text:not(:last-child) {
+        border-top-right-radius: 0;
+        border-bottom-right-radius: 0;
+    }
 }

src/BootstrapBlazor/Components/Input/BootstrapInputGroupLabel.cs

@@ -1,4 +1,4 @@
-// Licensed to the .NET Foundation under one or more agreements.
+// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the Apache 2.0 License
 // See the LICENSE file in the project root for more information.
 // Maintainer: Argo Zhang(argo@live.ca) Website: https://www.blazor.zone
@@ -51,9 +51,15 @@ public sealed class BootstrapInputGroupLabel : DisplayBase<string>
     [Parameter]
     public RenderFragment? ChildContent { get; set; }
 
+    /// <summary>
+    /// 获得/设置 是否为 InputGroup 或 TableToolbar 内的标签 默认 null 未设置
+    /// </summary>
+    [Parameter]
+    public bool? IsGroupLabel { get; set; }
+
     private string? Required => ShowRequiredMark ? "true" : null;
 
-    private bool IsInputGroupLabel => InputGroup != null;
+    private bool IsInputGroupLabel => IsGroupLabel ?? InputGroup != null;
 
     /// <summary>
     /// <inheritdoc/>

test/UnitTest/Components/InputTest.cs

@@ -282,6 +282,19 @@ public class InputTest : BootstrapBlazorTestBase
         cut.DoesNotContain("DisplayText");
     }
 
+    [Fact]
+    public void IsGroupLabel_Ok()
+    {
+        var cut = Context.Render<BootstrapInputGroupLabel>();
+        cut.DoesNotContain("input-group-text");
+
+        cut.Render(pb =>
+        {
+            pb.Add(a => a.IsGroupLabel, true);
+        });
+        cut.Contains("input-group-text");
+    }
+
     [Fact]
     public void ShowRequiredMark_Ok()
     {