feat(CardUpload): adjust IconTemplate order (#7025)

* refactor: 调整 IconTemplate 优先级别

* test: 更新单元测试消除警告信息

* test: 调整单元测试

Author: ArgoZhang

src/BootstrapBlazor/Components/Upload/CardUpload.razor

@@ -16,13 +16,13 @@
         {
             <div @key="@item" class="@GetItemClassString(item)">
                 <div class="upload-item-body">
-                    @if (item.IsImage(AllowExtensions, CanPreviewCallback))
+                    @if (IconTemplate != null)
                     {
-                        <img class="upload-item-body-image" alt="prevUrl" src="@item.PrevUrl" @onclick="() => OnClickZoom(item)" />
+                        @IconTemplate(item)
                     }
-                    else if (IconTemplate != null)
+                    else if (item.IsImage(AllowExtensions, CanPreviewCallback))
                     {
-                        @IconTemplate(item)
+                        <img class="upload-item-body-image" alt="prevUrl" src="@item.PrevUrl" @onclick="() => OnClickZoom(item)" />
                     }
                     else
                     {

test/UnitTest/Components/UploadCardTest.cs

@@ -54,6 +54,7 @@ public async Task CardUpload_Ok()
 
         cut.SetParametersAndRender(pb =>
         {
+            pb.Add(a => a.IconTemplate, (RenderFragment<UploadFile>?)null);
             pb.Add(a => a.OnZoomAsync, file =>
             {
                 zoom = true;

test/UnitTest/Converters/JsonDescriptionEnumConverterTest.cs

@@ -61,6 +61,7 @@ public void ColumnVisibleItemConverter_Ok()
         Assert.Equal("{\"name\":\"name\",\"visible\":true}", json);
 
         var item1 = JsonSerializer.Deserialize<ColumnVisibleItem>(json);
+        Assert.NotNull(item1);
         Assert.Equal("name", item1.Name);
         Assert.True(item1.Visible);
     }