Werk #15005: Fix possible KeyError on service graphs view

Component User interface
Title Fix possible KeyError on service graphs view
Date Dec 13, 2022
Checkmk Editon Checkmk Raw (CRE)
Checkmk Version 2.2.0i1 2.1.0p18
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed

If a user had no permission "Services - Service (service)" and tried to open the view "Service graphs" (service_graphs) an error like "KeyError (service)" occurred.

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