Check_MK Werk 1925: Fix missing auxilliary tags that have their own topic

ID: 1925 Title: Fix missing auxilliary tags that have their own topic Component: WATO Level: 1 Class: Bug Fix Version: 1.2.7i1 If you have created an auxiliary host tag with a topic this is not also used in any of the normal host tags then that tag would not be displayed in the rule editor. This has been fixed.