fix: compile warning: non-void function does not return a value

add return statement
Signed-off-by: Nzhumingxian <zhumingxian@ohos.com.cn>

test/uitest/test_focus_manager/ui_test_focus_manager.cpp

@@ -113,6 +113,7 @@ public:
     bool OnClick(UIView& view, const ClickEvent& event)
     {
         viewGroup_->SetInterceptFocus(false);
+        return true;
     }
 private:
     UIViewGroup* viewGroup_ = nullptr;