[dir view] 'list' mode: fixed position of the 'tag edit' popover for file items without tags (#5678)

frontend/src/components/dirent-list-view/dirent-list-item.js

@@ -767,6 +767,9 @@ class DirentListItem extends React.Component {
               </UncontrolledTooltip>
             </Fragment>
           )}
+          {(dirent.type !== 'dir' && (!dirent.file_tags || dirent.file_tags.length == 0)) && (
+            <div id={this.tagListTitleID} className="dirent-item tag-list tag-list-stacked"></div>
+          )}
         </td>
         <td className="operation">{this.renderItemOperation()}</td>
         <td className="file-size">{dirent.size && dirent.size}</td>

media/css/seahub_react.css

@@ -1023,6 +1023,7 @@ a.table-sort-op:hover {
     display: flex;
     align-items: center;
     width: max-content;
+    min-height: 1rem;
 }
 
 /* react select-module */