insert divider before pop culture subcategories

Author: geoffrey-wu

client/admin/category-reports/index.html

@@ -111,6 +111,7 @@ <h5 class="modal-title">Fix Category</h5>
                                 <option value="Current Events">Current Events</option>
                                 <option value="Geography">Geography</option>
                                 <option value="Other Academic">Other Academic</option>
+                                <option disabled>──────────</option>
                                 <option value="Movies">Movies</option>
                                 <option value="Music">Music</option>
                                 <option value="Sports">Sports</option>