fix: When UUID is null stop thread process.

[EdwinBetanc0urt]

Before this changes

2024-09-30T20:14:48.382351531Z 2024-09-30T20:14:48.382Z WARN  [server] Topic: "role", invalid type: null, expected a string at line 1 column 88
2024-09-30T20:14:48.389843074Z thread 'tokio-runtime-worker' panicked at src/models/role.rs:114:30:
2024-09-30T20:14:48.389891386Z called `Option::unwrap()` on a `None` value
2024-09-30T20:14:48.389895003Z note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

After this changes

Additional context

fixes https://github.com/solop-develop/frontend-core/issues/2715