12.0 feature edit wiki page (#6033)

* 01 add static media files

* 02 edit wiki page

* 03 remove useless icons and support edit name and icon

* 04 support wiki nav

* delete useless codes

* optimize feature edit wiki

* 05 add wiki-api and save config

* 06 change some UI

* delete useless codes

* delete useless codes

* fix edit wiki url

* change js path

* change icon size

* fix

* fix fn name and do not show tree view

* fix edit url

* save config to index.json

* fix new file name check

* hide icon and library name

* remove useless svgs

* remove useless svgs

---------

Co-authored-by: ‘JoinTyang’ <yangtong1009@163.com>
Co-authored-by: JoinTyang <41655440+JoinTyang@users.noreply.github.com>

frontend/src/pages/wiki/main-panel.js

@@ -1,6 +1,6 @@
 import React, { Component, Fragment } from 'react';
 import PropTypes from 'prop-types';
-import { gettext, repoID, siteRoot, username, isPro } from '../../utils/constants';
+import { gettext, repoID, siteRoot, username, isPro, isEditWiki } from '../../utils/constants';
 import SeafileMarkdownViewer from '../../components/seafile-markdown-viewer';
 import WikiDirListView from '../../components/wiki-dir-list-view/wiki-dir-list-view';
 import Loading from '../../components/loading';
@@ -82,7 +82,7 @@ class MainPanel extends Component {
     const errMessage = (<div className="message err-tip">{gettext('Folder does not exist.')}</div>);
     const isViewingFile = this.props.pathExist && !this.props.isDataLoading && this.props.isViewFile;
     return (
-      <div className="main-panel wiki-main-panel">
+      <div className="main-panel wiki-main-panel" style={{flex: isEditWiki ? '1 0 76%' : '1 0 80%'}}>
         <div className="main-panel-hide hide">{this.props.content}</div>
         <div className={`main-panel-north panel-top ${this.props.permission === 'rw' ? 'border-left-show' : ''}`}>
           {!username &&