Fix inserting excerpt on compare diff (#11833)

* Fix inserting excerpt on compare diff

* use currentTarget

* remove comment

Co-authored-by: techknowlogick <techknowlogick@gitea.io>

web_src/js/index.js

@@ -2034,7 +2034,7 @@ function initCodeView() {
     box.dataset.folded = String(folded);
   });
   function insertBlobExcerpt(e) {
-    const $blob = $(e.target);
+    const $blob = $(e.currentTarget);
     const $row = $blob.parent().parent();
     $.get(`${$blob.data('url')}?${$blob.data('query')}&anchor=${$blob.data('anchor')}`, (blob) => {
       $row.replaceWith(blob);