Werk #2709: fixed exception when opening the action menu

Component User interface
Title fixed exception when opening the action menu
Date Nov 6, 2015
Checkmk Edition Checkmk Raw (CRE)
Checkmk Version 1.2.8b1 1.2.7i4
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed

Opening the action menu would cause an exception if icons have been customized to show in main table.

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