fix callable action undo confirmation requirement

src/components/fields/Action/ActionFab.tsx

@@ -140,7 +140,7 @@ export default function ActionFab({
         row,
         handleRun,
       });
-    } else if (action === "undo" && config.undo.confirmation) {
+    } else if (action === "undo" && config.undo?.confirmation) {
       return confirm({
         title: `${column.name} Confirmation`,
         body: config.undo.confirmation.replace(/\{\{(.*?)\}\}/g, replacer(row)),

src/components/fields/Reference/index.tsx

@@ -23,12 +23,12 @@ const SideDrawerField = lazy(
 export const config: IFieldConfig = {
   type: FieldType.reference,
   name: "Reference",
-  group: "Connectors",
+  group: "Connection",
   dataType: "reference",
   initialValue: null,
   initializable: true,
   icon: <SingleSelectIcon />,
-  description: "Firestore field reference type",
+  description: "Firestore document reference",
   TableCell: withBasicCell(BasicCell),
   TableEditor: EditorCell,
   SideDrawerField,