Changes made to bug 559519

Who	When	What	Removed	Added
Lars.Vogel	2020-01-24 11:21:52 EST	CC		Lars.Vogel
Lars.Vogel	2020-01-24 11:21:52 EST	Summary	UI freeze due to org.eclipse.core.internal.expressions.Property.isDeclaringPluginActive(Property.java:51) due	UI freeze due to org.eclipse.core.internal.expressions.Property.isDeclaringPluginActive(Property.java:51)