Merge branch 'hotfix/cms_elcommon' into 'master'

Merge of hotfix/cms_elcommon 修复内容管理ELCommon不能正常加载的问题 to master

See merge request o2oa/o2oa!1179

o2web/source/x_component_process_Xform/Elcommon.js

 o2.xDesktop.requireApp("process.Xform", "$Module", null, false);
+o2.xDesktop.requireApp("process.Xform", "$ElModule", null, false);
 /** @class Elcommon 基于Element UI的通用组件。
  * @o2cn 通用组件
  * @example