fix(SelectObject): should not override IsRequired method (#5464)

* fix(SelectObject): remove IsRequired override method

* chore: bump version 9.4.2

Author: ArgoZhang

src/BootstrapBlazor/BootstrapBlazor.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Razor">
 
   <PropertyGroup>
-    <Version>9.4.1</Version>
+    <Version>9.4.2</Version>
   </PropertyGroup>
 
   <ItemGroup>

src/BootstrapBlazor/Components/Select/SelectObject.razor.cs

@@ -180,12 +180,6 @@ protected override void OnParametersSet()
         ClearIcon ??= IconTheme.GetIconByKey(ComponentIcons.SelectClearIcon);
     }
 
-    /// <summary>
-    /// <inheritdoc/>
-    /// </summary>
-    /// <returns></returns>
-    protected override bool IsRequired() => ValidateForm != null;
-
     private bool GetClearable() => IsClearable && !IsDisabled;
 
     /// <summary>

src/BootstrapBlazor/Components/Select/SelectTable.razor.cs

@@ -265,12 +265,6 @@ protected override void OnParametersSet()
         ClearIcon ??= IconTheme.GetIconByKey(ComponentIcons.SelectClearIcon);
     }
 
-    /// <summary>
-    /// <inheritdoc/>
-    /// </summary>
-    /// <returns></returns>
-    protected override bool IsRequired() => ValidateForm != null;
-
     /// <summary>
     /// 获得 Text 显示文字
     /// </summary>