feat(server): support editor -> viewer seat downgrades (#4181)

* new seat based project role checks implemented

* everything done

* minor bugfix

packages/server/modules/workspaces/services/workspaceJoinRequests.ts

@@ -7,6 +7,7 @@ import {
 import { GetUser } from '@/modules/core/domain/users/operations'
 import { NotFoundError } from '@/modules/shared/errors'
 import {
+  ApproveWorkspaceJoinRequest,
   CreateWorkspaceJoinRequest,
   DenyWorkspaceJoinRequest,
   EnsureValidWorkspaceRoleSeat,
@@ -119,8 +120,8 @@ export const approveWorkspaceJoinRequestFactory =
     upsertWorkspaceRole: UpsertWorkspaceRole
     emit: EventBus['emit']
     ensureValidWorkspaceRoleSeat: EnsureValidWorkspaceRoleSeat
-  }) =>
-  async ({ userId, workspaceId }: { userId: string; workspaceId: string }) => {
+  }): ApproveWorkspaceJoinRequest =>
+  async ({ userId, workspaceId, approvedByUserId }) => {
     const requester = await getUserById(userId)
     if (!requester) {
       throw new NotFoundError('User not found')
@@ -153,7 +154,11 @@ export const approveWorkspaceJoinRequestFactory =
     await emit({ eventName: WorkspaceEvents.Updated, payload: { workspace } })
     await emit({
       eventName: WorkspaceEvents.RoleUpdated,
-      payload: { acl: { workspaceId, userId, role }, seatType: type }
+      payload: {
+        acl: { workspaceId, userId, role },
+        seatType: type,
+        updatedByUserId: approvedByUserId
+      }
     })
 
     await sendWorkspaceJoinRequestApprovedEmail({