Update dependency 3 (#5344)

* update react react-dom prop-types

* update seafile-editor version

* install deep-copy denpendency

* update router version

* repair focus bug

* optimize code

* optimize code

frontend/src/components/dialog/import-members-dialog.js

@@ -11,10 +11,10 @@ const propTypes = {
 class ImportMembersDialog extends React.Component {
   constructor(props) {
     super(props);
-    this.fileInputRef = React.createRef();
     this.state = {
       errorMsg: ''
     };
+    this.fileInputRef = React.createRef();
   }
 
   toggle = () => {