长按添加桌面卡片，闪现问题，等待1秒后才能正确刷新

Signed-off-by: zhubingwei <zhubingwei@huawei.com>

services/dtbschedmgr/test/unittest/mock_form_mgr_service.h

@@ -253,6 +253,12 @@ public:
     {
         return ERR_OK;
     };
+    ErrCode RequestPublishProxyFormWithSnapshot(Want &want, bool withFormBindingData,
+        std::unique_ptr<FormProviderData> &formBindingData, int64_t &formId,
+        const std::vector<FormDataProxy> &formDataProxies) override
+    {
+        return ERR_OK;
+    }
 };
 }  // namespace AppExecFwk
 }  // namespace OHOS