[225959] Added a call to complete updates in case of missing property provider.

plugins/org.eclipse.dd.dsf.ui/src/org/eclipse/dd/dsf/ui/viewmodel/properties/PropertyBasedLabelProvider.java

@@ -175,6 +175,7 @@ public class PropertyBasedLabelProvider
         if (propertiesProvider == null) {
             for (ILabelUpdate update : labelUpdates) {
                 update.setStatus(new Status(IStatus.ERROR, DsfUIPlugin.PLUGIN_ID, "Properties-based label provider " + this + " failed to generate a label, no properties provider registered for element: " + labelUpdates[0].getElement()));  //$NON-NLS-1$ //$NON-NLS-2$
+                update.done();
             }
             return;
         }