many small issues found by intellij analysis

src/public/app/widgets/dialogs/include_note.js

@@ -98,7 +98,7 @@ export default class IncludeNoteDialog extends BasicWidget {
         const boxSize = $("input[name='include-note-box-size']:checked").val();
 
         if (note.type === 'image') {
-            // there's no benefit to use insert note functionlity for images
+            // there's no benefit to use insert note functionlity for images,
             // so we'll just add an IMG tag
             this.textTypeWidget.addImage(noteId);
         }