Checkmk Werk 14612: CheckMK Server discovers wrong items as service

ID: 14612 Title: CheckMK Server discovers wrong items as service Component: Checks & agents Level: 1 Class: Bug fix Version: 2.2.0p8 Due to missing grouping delimiter `Failed Fencing Actions` the `heartbeat_crm` would discover invalid items as service. This change adds the missing delimiter making `heartbeat_crm` discover valid items only.