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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 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT
2.1.0p4 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT
2.0.0p27 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT

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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