Werk #14335: Fix crash if no icon and an emblem was configured

Component	User interface
Title	Fix crash if no icon and an emblem was configured
Date	Jun 21, 2022
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.2.0b1 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME) 2.2.0b1 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME) 2.2.0b1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME) 2.1.0p4 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 2.0.0p27 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

If you configured e.g. a view with Icon "empty" and an emblem, the GUI crashed, showing the error "TypeError: argument of type 'NoneType' is not iterable" in ~/var/log/web.log.

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