Merge branch 'cherry-pick-4abdb422' into 'develop_java8'

【移动办公】移动端提示消息位置显示的bug develop_java8

See merge request o2oa/o2oa!4216

(cherry picked from commit dfa5f093)

19d66abd Merge branch 'cherry-pick-3595bd53' into 'develop'

o2web/source/x_component_Common/Main.js

@@ -495,6 +495,11 @@ MWF.xApplication.Common.Main = new Class({
 			if (!target) target = this.window.content;
 			if (!type) type = "ok";
 			var noticeTarget = target || layout.layout.contentNode;
+			// 移动端如果向下滚动了就看不到了
+			if (layout.mobile) {
+				noticeTarget = $(document.body);
+			}
+			
 			var off = offset;
 			if (!off) {
 				off = {