Werk #14654: Host diagnose: Internal error: dictionary changed size during iteration

Component	Setup
Title	Host diagnose: Internal error: dictionary changed size during iteration
Date	Nov 3, 2022
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.2.0b1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME) 2.1.0p16 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

This fixes a regression introduced in Checkmk 2.1.0p15. If users try to change the host properties from the "Test connection to <HOST>" page, the above error was raised.

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