fix DateField

Author: veej

packages/bento-design-system/src/DateField/DateField.tsx

@@ -119,9 +119,11 @@ function RangeDateField(props: RangeDateFieldProps) {
 export type DateFieldProps = SingleDateFieldProps | RangeDateFieldProps;
 
 export function DateField(props: DateFieldProps) {
+  if (props.type == null) {
+    return <SingleDateField {...props} />;
+  }
   return match(props)
     .with({ type: "single" }, (props) => <SingleDateField {...props} />)
-    .with({ type: undefined }, (props) => <SingleDateField {...props} />)
     .with({ type: "range" }, (props) => <RangeDateField {...props} />)
     .exhaustive();
 }