[Editor] Fix the tooltip of the comment button when in the editor toolbar (bug 1994958)

Author: calixteman

l10n/en-US/viewer.ftl

@@ -700,5 +700,5 @@ pdfjs-editor-edit-comment-dialog-cancel-button = Cancel
 
 ## Edit a comment button in the editor toolbar
 
-pdfjs-editor-edit-comment-button =
-    .title = Edit comment
+pdfjs-editor-add-comment-button =
+    .title = Add comment

src/display/editor/comment.js

@@ -154,7 +154,7 @@ class Comment {
       comment.ariaControlsElements = [
         this.#editor._uiManager.getCommentDialogElement(),
       ];
-      comment.setAttribute("data-l10n-id", "pdfjs-editor-edit-comment-button");
+      comment.setAttribute("data-l10n-id", "pdfjs-editor-add-comment-button");
     }
 
     const signal = this.#editor._uiManager._signal;