Werk #14324: Fix validation of tag IDs

Component Setup
Title Fix validation of tag IDs
Date Jun 2, 2022
Checkmk Editon Checkmk Raw (CRE)
Checkmk Version 2.1.0p2 2.2.0i1
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed

It was possible to use tag IDs already used by other tag groups or auxiliary tags.

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