!2840 feat(#I5A59D): update link button for switch image and text position

* chore: bump version 6.6.21
* feat: 移动文字与图片位置

src/BootstrapBlazor/BootstrapBlazor.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Razor">
 
   <PropertyGroup>
-    <Version>6.6.20</Version>
+    <Version>6.6.21</Version>
   </PropertyGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'net5.0'">

src/BootstrapBlazor/Components/Button/LinkButton.razor

@@ -6,14 +6,14 @@
     {
         <i class="@Icon"></i>
     }
-    @if (!string.IsNullOrEmpty(Text))
-    {
-        <span>@Text</span>
-    }
     @if (!string.IsNullOrEmpty(ImageUrl))
     {
         <img alt="img" src="@ImageUrl" />
     }
+    @if (!string.IsNullOrEmpty(Text))
+    {
+        <span>@Text</span>
+    }
     @ChildContent
     @if (!string.IsNullOrEmpty(Title))
     {