Fix broken image when editing comment with non-image attachments (#32319) (#32345)

Backport #32319 

Fix #32316

---------

Co-authored-by: yp05327 <576951401@qq.com>

web_src/js/utils/image.js

@@ -45,3 +45,7 @@ export async function imageInfo(blob) {
 
   return {width, dppx};
 }
+
+export function isImageFile(name) {
+  return /\.(jpe?g|png|gif|webp|svg|heic)$/i.test(name);
+}