Checkmk Werk 13649: Dynamic host management: Do not fail to start on missing automation user

ID: 13649 Title: Dynamic host management: Do not fail to start on missing automation user Component: Dynamic host configuration Level: 1 Class: Bug fix Version: 2.2.0i1 In some sites the 'automation' user might be missing. Even if the dynamic host management was not configured, this made the DCD fail to start. Leading to partially started sites. This change restores the behavior of the 2.0.