Werk #7973: Fix empty service views in mobile GUI

Component	User interface
Title	Fix empty service views in mobile GUI
Date	Jul 16, 2019
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.0.0i1 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT 1.6.0b4 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT

An exception like this was shown in all mobile service views:

sequence item 0: expected string, HTML found

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