Clean up ClearExpiredUserSessions error

[xgp]

keycloak-1  | 2024-04-17 17:52:02,979 ERROR [org.keycloak.services.scheduled.ScheduledTaskRunner] (Timer-0) Failed to run scheduled task ClearExpiredUserSessions: java.lang.NullPointerException: Cannot invoke "org.keycloak.cluster.ExecutionResult.isExecuted()" because "result" is null
keycloak-1  |   at org.keycloak.services.scheduled.ClusterAwareScheduledTaskRunner.runTask(ClusterAwareScheduledTaskRunner.java:62)
keycloak-1  |   at org.keycloak.services.scheduled.ScheduledTaskRunner.lambda$run$0(ScheduledTaskRunner.java:59)
keycloak-1  |   at org.keycloak.models.utils.KeycloakModelUtils.lambda$runJobInTransaction$1(KeycloakModelUtils.java:257)
keycloak-1  |   at org.keycloak.models.utils.KeycloakModelUtils.runJobInTransactionWithResult(KeycloakModelUtils.java:379)
keycloak-1  |   at org.keycloak.models.utils.KeycloakModelUtils.runJobInTransaction(KeycloakModelUtils.java:256)
keycloak-1  |   at org.keycloak.services.scheduled.ScheduledTaskRunner.run(ScheduledTaskRunner.java:53)
keycloak-1  |   at org.keycloak.timer.basic.BasicTimerProvider$1.run(BasicTimerProvider.java:53)
keycloak-1  |   at java.base/java.util.TimerThread.mainLoop(Timer.java:566)
keycloak-1  |   at java.base/java.util.TimerThread.run(Timer.java:516)