[2.4.0] Checkmk Werk 16116 created: Fixed association of contacts with hosts/services/contactgroups

[//]: # (werk v2) # Fixed association of contacts with hosts/services/contactgroups key | value ---------- | --- date | 2024-04-05T13:48:37+00:00 version | 2.4.0b1 class | fix edition | cre component | livestatus level | 3 compatible | yes Checkmk 2.3 beta introduced a regression regarding contacts when then Nagios core was used: The association of contacts with hosts, services and contact groups was incorrect. A symptom of this bug were e.g. missing hosts or services in the GUI.