[UI] use safe defaults for fetching cluster logs

ui/operator_ui/main.py

@@ -961,6 +961,8 @@ def get_operator_get_logs(worker: int):
 @app.route('/operator/clusters/<namespace>/<cluster>/logs')
 @authorize
 def get_operator_get_logs_per_cluster(namespace: str, cluster: str):
+    team, cluster_name = cluster.split('-', 1)
+    # team id might contain hivens, try to find correct team name
     user_teams = get_teams_for_user(session.get('user_name', ''))
     for user_team in user_teams:
         if cluster.find(user_team) == 0: