feat(widget): add restriction callback to restrict visibility and modification of widget kinds (#2658)

* feat(widget): add restriction callback to restrict visibility and modification of widget kinds

* fix: typecheck issue

* chore: address pull request feedback

packages/auth/permissions/index.ts

@@ -1,2 +1,3 @@
 export * from "./board-permissions";
 export * from "./integration-permissions";
+export * from "./widget-restriction";