iOS 解决 Selecror 语法报错的问题

uni_modules/uni-memorywarning/utssdk/app-ios/index.uts

 import { NotificationCenter } from 'Foundation';
 import { UIApplication } from "UIKit"
+import { Selector } from "ObjectiveC"
 
 class MemoryWarningTool {
 	static listener: UTSCallback | null;

uni_modules/uni-usercapturescreen/utssdk/app-ios/index.uts

 import { NotificationCenter } from 'Foundation';
 import { UIApplication } from "UIKit"
+import { Selector } from "ObjectiveC"
 
 /**
  * 定义监听截屏事件工具类