fix(form): validate table question every time the modal is closed

Author: anehx

Diff for: packages/form/addon/components/cf-field/input/table.js

@@ -126,6 +126,8 @@ export default class CfFieldInputTableComponent extends Component {
       this.documentToEditIsNew = false;
     }
 
+    yield this.args.field.validate.perform();
+
     this.showAddModal = false;
     this.documentToEdit = null;
   }