Werk #14045: Fix crash in activate changes when using DEBUG logging

Component	Setup
Title	Fix crash in activate changes when using DEBUG logging
Date	May 6, 2022
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.2.0b1 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT 2.1.0b9 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT 2.0.0p24 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT

Activate changes would crash if a mkp was newly added and Global settings -> Logging -> Automation calls was on DEBUG.

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