Fix EasyMDE image paste bug during refactoring (#18207)

Author: wxiaoguang

web_src/js/features/repo-issue.js

@@ -458,8 +458,10 @@ export function initRepoPullRequestReview() {
 
   const $reviewBox = $('.review-box');
   if ($reviewBox.length === 1) {
-    createCommentEasyMDE($reviewBox.find('textarea'));
-    initCompImagePaste($reviewBox);
+    (async () => {
+      await createCommentEasyMDE($reviewBox.find('textarea'));
+      initCompImagePaste($reviewBox);
+    })();
   }
 
   // The following part is only for diff views

web_src/js/features/repo-legacy.js

@@ -64,10 +64,13 @@ export function initRepoCommentForm() {
     });
   }
 
-  createCommentEasyMDE($('.comment.form textarea:not(.review-textarea)'));
+  (async () => {
+    await createCommentEasyMDE($('.comment.form textarea:not(.review-textarea)'));
+    initCompImagePaste($('.comment.form'));
+  })();
+
   initBranchSelector();
   initCompMarkupContentPreviewTab($('.comment.form'));
-  initCompImagePaste($('.comment.form'));
 
   // List submits
   function initListSubmits(selector, outerSelector) {