Refactored to use base expression language

plugins/org.yakindu.sct.ui.navigator/src/org/yakindu/sct/ui/navigator/StatechartObjectViewerFilter.java

@@ -14,9 +14,9 @@ import org.eclipse.emf.ecore.EObject;
 import org.eclipse.gmf.runtime.notation.Diagram;
 import org.eclipse.jface.viewers.Viewer;
 import org.eclipse.jface.viewers.ViewerFilter;
+import org.yakindu.base.expressions.expressions.Expression;
 import org.yakindu.sct.model.sgraph.Scope;
 import org.yakindu.sct.model.sgraph.Trigger;
-import org.yakindu.sct.model.stext.stext.Expression;
 import org.yakindu.sct.model.stext.stext.InterfaceScope;
 import org.yakindu.sct.model.stext.stext.InternalScope;
 import org.yakindu.sct.model.stext.stext.LocalReaction;