修复输入框无法输入的问题

manifest.json

-{"id":"engine","url":"engine.3792fc7af6815b498e54518f48fb3d29a80d61f7.js"}
+{"id":"engine","url":"engine.90b8f75c7c269eab8a9476fee14257118c0828a9.js"}
\ No newline at end of file

src/2d/display/Stage.ts

@@ -42,7 +42,9 @@ export const requestAnimationFrame = (function () {
 		};
 	}
 	return requestAnimationFrame
-}())
+}());
+
+const skipTagNames = ['INPUT'];
 
 export class Stage extends Container {
 
@@ -611,6 +613,9 @@ export class Stage extends Container {
 	 */
 	private onMouseEvent(e: any): void {
 		let s: Stage = this;
+		if (skipTagNames.indexOf(e.target.tagName) >= 0) {
+			return;
+		}
 		//检查mouse或touch事件是否有，如果有的话，就触发事件函数
 		if (EventDispatcher._totalMEC > 0) {
 			let points: any;