fix(rbac): Emit event when owner is assigned org role (#568)

## 📝 Description

https://github.com/renderedtext/tasks/issues/8572

## ✅ Checklist
- [x] I have tested this change
- [ ] This change requires documentation update

Author: VeljkoMaksimovic

ee/rbac/lib/rbac/services/organization_created.ex

@@ -19,6 +19,8 @@ defmodule Rbac.Services.OrganizationCreated do
 
           Rbac.Store.RbacRole.create_default_roles_for_organization(event.org_id)
           Rbac.TempSync.assign_org_owner_role(event.org_id)
+          owner_id = Rbac.TempSync.get_org_creator_id(event.org_id)
+          Rbac.Events.Authorization.publish("role_assigned", owner_id, event.org_id)
         end,
         retries: 10,
         delay: 1000

ee/rbac/lib/rbac/tmp_sync.ex

@@ -83,7 +83,7 @@ defmodule Rbac.TempSync do
     end)
   end
 
-  defp get_org_creator_id(org_id, no_of_retries \\ 0) do
+  def get_org_creator_id(org_id, no_of_retries \\ 0) do
     case Rbac.FrontRepo.Organization
          |> where([org], org.id == ^org_id)
          |> select([org], org.creator_id)