fix(Collapse): show Icon and Text both (#6536)

* refactor: 更新逻辑图标与文本可以一起显示

* chore: bump version 9.9.1-beta03

Author: ArgoZhang

src/BootstrapBlazor/BootstrapBlazor.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Razor">
 
   <PropertyGroup>
-    <Version>9.9.1-beta02</Version>
+    <Version>9.9.1-beta03</Version>
   </PropertyGroup>
 
   <ItemGroup>

src/BootstrapBlazor/Components/Collapse/Collapse.razor

@@ -19,13 +19,16 @@
                                 @item.HeaderTemplate
                             </div>
                         }
-                        else if(!string.IsNullOrEmpty(item.Icon))
-                        {
-                            <i class="@GetItemIconString(item)"></i>
-                        }
                         else
                         {
-                            <span>@item.Text</span>
+                            if (!string.IsNullOrEmpty(item.Icon))
+                            {
+                                <i class="@GetItemIconString(item)"></i>
+                            }
+                            if (!string.IsNullOrEmpty(item.Text))
+                            {
+                                <span>@item.Text</span>
+                            }
                         }
                     </div>
                 </div>