bug(CardUpload): DefaultFileList 参数在 ValidateForm 中可能引发异常

[Tony-ST0754]

Which class is this unit test associated with?

弹窗中，上传图片设定不能为空，成功上传图片后还是继续提示上传图片不能为空，同时也引发其他问题见内容详情

测试页面：TestDialogSelect.razor

BlazorTestDialogSelect.zip

[bb-auto]

@Tony-ST0754 Thank you for reporting. We will give triage later.