Werk #6436: Prevent metrics with ',' in their names from breaking graphs

KomponenteGUI
TitelPrevent metrics with "," in their names from breaking graphs
Datum2018-08-09 14:36:12
Check_MK EditionCheck_MK Raw Edition (CRE)
Check_MK Version1.6.0i1,1.5.0p1
LevelTrivial Change
KlasseBug Fix
KompatibilitätKompatibel - benötigt kein manuelles Eingreifen

When a metric name contains a ",", possibly due to another error, this could break all graphs of a service. The metric system now totally skips these metric names to prevent this.

The graphs that can be rendered successfully are now displayed again in such a situation.