Werk #17784: Avoid error in host icons columns of host views

Component	User interface
Title	Avoid error in host icons columns of host views
Date	Mar 31, 2025
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.5.0b1 Not yet released Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME) 2.4.0b3 Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME) 2.3.0p31 Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)

The host icons column might have displayed a yellow warning sign with an error message such as

Exception in icon 'robotmk_suite_ok_log': Traceback (most recent call last):
...
AttributeError: 'NoneType' object has no attribute 'get'

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