fix wiki pages style && tagged files link (#2823)

* fix wiki pages style && tagged files link

* use Fragment

frontend/src/components/dialog/list-taggedfiles-dialog.js

@@ -61,12 +61,7 @@ class ListTaggedFilesDialog extends React.Component {
             <tbody>
               {taggedFileList.map((taggedFile, index) => {
                 let path = Utils.joinPath(taggedFile.parent_path, taggedFile.filename);
-                let href = '';
-                if (Utils.isMarkdownFile(path)) {
-                  href = siteRoot + 'wiki/lib/' + this.props.repoID + Utils.encodePath(path);
-                } else {
-                  href = siteRoot + 'lib/' + this.props.repoID + '/file' + Utils.encodePath(path);
-                }
+                let href = siteRoot + 'lib/' + this.props.repoID + '/file' + Utils.encodePath(path);
                 return (
                   <tr key={index}>
                     <td className="name">

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

@@ -1,4 +1,4 @@
-import React, { Component } from 'react';
+import React, { Component, Fragment } from 'react';
 import PropTypes from 'prop-types';
 import { gettext, repoID, slug, siteRoot } from '../../utils/constants';
 import CommonToolbar from '../../components/toolbar/common-toolbar';
@@ -82,6 +82,8 @@ class MainPanel extends Component {
     return (
       <div className="main-panel wiki-main-panel o-hidden">
         <div className="main-panel-top panel-top">
+          {loginUser &&
+            <Fragment>
               <div className="cur-view-toolbar border-left-show">
                 <span className="sf2-icon-menu hidden-md-up d-md-none side-nav-toggle" title="Side Nav Menu" onClick={this.onMenuClick}></span>
                 { 
@@ -89,19 +91,23 @@ class MainPanel extends Component {
                   <button className="btn btn-secondary operation-item" title="Edit File" onClick={this.onEditClick}>{gettext('Edit Page')}</button>
                 }
               </div>
-          {loginUser &&
               <CommonToolbar 
                 repoID={repoID}
                 onSearchedClick={this.props.onSearchedClick} 
                 searchPlaceholder={gettext('Search files in this library')}
               />
+            </Fragment>
           }
         </div>
         <div className="cur-view-container">
           <div className="cur-view-path">
             <div className="path-containter">
+              {loginUser &&
+                <Fragment>
                   <a href={siteRoot + 'wikis/'} className="normal">{gettext('Wikis')}</a>
                   <span className="path-split">/</span>
+                </Fragment>
+              }
               <a href={siteRoot + 'wikis/' + slug} className="normal">{slug}</a>
               {pathElem}
             </div>

media/css/seahub_react.css

@@ -787,6 +787,7 @@ a.sf-popover-item:hover {
     border-bottom: 1px solid #e8e8e8;
     display:flex;
     flex-shrink:0;
+    min-height: 49px;
 }
 
 /* top logo */