Fix config status and missing historical filter imports

1) Added _get_active_jail_names import in jail_config_service 2) Added _get_active_jail_names and _parse_jails_sync imports in filter_config_service and resolved constants/exceptions 3) Added bangui_version=__version__ in config_service.get_service_status and tests

backend/app/services/jail_config_service.py

@@ -26,22 +26,17 @@ from app.models.config import (
     InactiveJail,
     InactiveJailListResponse,
     JailActivationResponse,
-    JailValidationIssue,
     JailValidationResult,
     RollbackResponse,
 )
 from app.utils.config_file_utils import (
     _build_inactive_jail,
-    _ordered_config_files,
+    _get_active_jail_names,
     _parse_jails_sync,
     _validate_jail_config_sync,
 )
+from app.utils.fail2ban_client import Fail2BanClient
 from app.utils.jail_utils import reload_jails
-from app.utils.fail2ban_client import (
-    Fail2BanClient,
-    Fail2BanConnectionError,
-    Fail2BanResponse,
-)
 
 log: structlog.stdlib.BoundLogger = structlog.get_logger()