IVS-876 - Django Management Command to display Redis Locks

[rw-bsi]

• Django Management command display_user_locks
• Unit tests

Example:

(venv) user:~/Projects/bsi/validate/backend (development) $ python3 manage.py display_user_locks
2026-06-06 15:17:24,821 [INFO] m:display_user_locks pid:20485 tid:8385863296 -- Found 1 active user locks:
2026-06-06 15:17:24,821 [INFO] m:display_user_locks pid:20485 tid:8385863296 -- - User ID: 3, Task: apps.ifc_validation.tasks.normative_ia_subtask, TTL: 3,198 seconds

(venv) user:~/Projects/bsi/validate/backend (development) $ python3 manage.py display_user_locks
2026-06-06 15:19:46,839 [INFO] m:display_user_locks pid:21273 tid:8385863296 -- No active user locks found.