完善画布生成面板交互

补齐普通生图参考图来源菜单和画布选择流程

接入UI设计图与视频生成面板的提交链路

让生成引用上传目标支持多种生成面板

统一图片信息弹窗断言并补充相关测试

修复图标按钮浮层锚点ref与视频生成类型契约

src/components/image-editor/ImageCanvasEditorShellView.test.tsx

@@ -225,7 +225,7 @@ describe('ImageCanvasEditorShellView', () => {
     expect(screen.getByRole('heading', { name: '默认项目' })).toBeTruthy();
     expect(screen.getByLabelText('画布工作区')).toBeTruthy();
     expect(screen.getByRole('toolbar', { name: 'AI画布工具栏' })).toBeTruthy();
-    expect(screen.getByRole('dialog', { name: '测试图片图片信息' })).toBeTruthy();
+    expect(screen.getByRole('dialog', { name: '图片信息' })).toBeTruthy();
 
     const uploadInput = screen.getByLabelText('上传图片文件') as HTMLInputElement;
     fireEvent.change(uploadInput);