Werk #8875: View editor: Fixed handling of invalid user input

Component User interface
Title View editor: Fixed handling of invalid user input
Date Aug 23, 2019
Checkmk Edition Checkmk Raw (CRE)
Checkmk Version 1.6.0b8 2.0.0i1
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed

Fixed a case where invalid user input could lead to a crash in the view editor.

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