Remove jQuery .text() (#30506)

Remove and forbid [.text()](https://api.jquery.com/text/). Tested some,
but not all functionality, but I think these are pretty safe
replacements.

---------

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

web_src/js/features/repo-legacy.js

@@ -272,9 +272,9 @@ export function initRepoCommentForm() {
       }
 
       $list.find('.selected').html(`
-        <a class="item muted sidebar-item-link" href=${$(this).data('href')}>
+        <a class="item muted sidebar-item-link" href=${htmlEscape(this.getAttribute('href'))}>
           ${icon}
-          ${htmlEscape($(this).text())}
+          ${htmlEscape(this.textContent)}
         </a>
       `);