feat(server): user metadata (#9650)

* feat(server): user metadata

* add missing method to user mock

* update migration to include cascades

* update sql files

* test: fix e2e

* chore: clean up

---------

Co-authored-by: Daniel Dietzler <mail@ddietzler.dev>

server/test/repositories/user.repository.mock.ts

@@ -22,5 +22,6 @@ export const newUserRepositoryMock = (reset = true): Mocked<IUserRepository> =>
     hasAdmin: vitest.fn(),
     updateUsage: vitest.fn(),
     syncUsage: vitest.fn(),
+    upsertMetadata: vitest.fn(),
   };
 };