fix: export missing types

Author: Romu-C

packages/react/src/modules/modals/OnboardingModal/index.ts

@@ -1,2 +1,6 @@
 export { default as OnboardingModal } from './OnboardingModal';
-export type { OnboardingModalRef } from './OnboardingModal';
+export type {
+  DisplayRuleCheckResult,
+  OnboardingModalRef,
+  OnboardingProps,
+} from './OnboardingModal';