Werk #13514: Fix TypeError on audit log search

Component Setup
Title Fix TypeError on audit log search
Date Dec 28, 2021
Checkmk Editon Checkmk Raw (CRE)
Checkmk Version 2.0.0p18 2.1.0i1
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed

If changes of global settings were logged to the audit log and you tried to filter for any search term afterwards, the error "TypeError (expected string or bytes-like object)" occurred.

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