Fix multiple trigger on button attachment

app/assets/javascripts/notes.js

@@ -23,6 +23,12 @@ var NoteList = {
     $(document).off("click", ".js-note-attachment-input");
     $(document).off("click", ".js-close-discussion-note-form");
     $(document).off("click", ".js-note-delete");
+    $(document).off("click", ".js-note-edit");
+    $(document).off("click", ".js-note-edit-cancel");
+    $(document).off("click", ".js-note-attachment-delete");
+    $(document).off("click", ".js-choose-note-attachment-button");
+    $(document).off("click", ".js-show-outdated-discussion");
+
     $(document).off("ajax:complete", ".js-main-target-form");