add: getText compatibility.

add: `AssetSelector` and `TemplateSelector`.
add: `popup-selector` style class.
add: `ui.resolvePopup` function.
add: `switch` in checkbox.
add: `GridColumn.filterTemplate` supports.
add: add `action` callback in `createIcon`.
change: replace `setTimeout(..., 0)` with `requestAnimationFrame`.
change: Popup result structure adjustment ({ result: any, popup: Popup }).
change: complete add work order flow.
change: reduce Popup title height.
fix: Grid column sort in number.

lib/ui/dropdown.d.ts

@@ -16,6 +16,8 @@ export interface DropdownOptions {
     valueKey?: string;
     /** 源码显示的关键字，默认值 `html` */
     htmlKey?: string;
+    /** 源码显示的模板函数 */
+    htmlTemplate?: (item: DropdownItem) => HTMLElement;
     /** 最大输入长度，默认值 `500` */
     maxLength?: number;
     /** 是否允许多选 */