style: 调整样式

Author: ArgoZhang

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

@@ -17,7 +17,7 @@ public partial class MultiSelect<TValue>
     private List<SelectedItem> SelectedItems { get; } = [];
 
     private string? ClassString => CssBuilder.Default("select dropdown multi-select")
-        .AddClass("cls", IsClearable)
+        .AddClass("is-clearable", IsClearable)
         .Build();
 
     private string? EditSubmitKeyString => EditSubmitKey == EditSubmitKey.Space ? EditSubmitKey.ToDescriptionString() : null;

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

@@ -19,7 +19,7 @@ public partial class Select<TValue> : ISelect, ILookup
     private SwalService? SwalService { get; set; }
 
     private string? ClassString => CssBuilder.Default("select dropdown")
-        .AddClass("cls", IsClearable)
+        .AddClass("is-clearable", IsClearable)
         .AddClassFromAttributes(AdditionalAttributes)
         .Build();
 

src/BootstrapBlazor/Components/Select/Select.razor.scss

@@ -164,7 +164,7 @@
         display: flex;
     }
 
-    &.cls:not(.disabled):hover .form-select-append {
+    &.is-clearable:not(.disabled):hover .form-select-append {
         display: none;
     }
 }