1321: Restore validation behavior with models

Task-Url: https://pm.winseda.de/issues/1321

css/application-colreg.css

@@ -310,6 +310,9 @@
   display: none;
   margin-bottom: 0.5rem;
   width: 100%; }
+  .editor-table .editor-list .editor-list-item {
+    border: 1px solid #A08246;
+    padding: 12px; }
   .editor-table .editor-list .btn-link {
     padding-top: 0.875rem;
     padding-bottom: 0.875rem; }