Fix setting of model element names

  - Broken after integration of EReference support since setting of values no longer defaults to String initializers)
  - Hence, also override doSetValue(AnnotationEntry, Object).
refs 1841

org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/annotation/editingsupport/ElementNameEditingSupport.java

@@ -68,4 +68,10 @@ public class ElementNameEditingSupport extends TextEditingSupport {
 			((INamedElement)modelElement).setName(value);
 		}
 	}
+
+	/** {@inheritDoc} */
+	@Override
+	protected void doSetValue(AnnotationEntry annotationEntry, Object value) throws Exception {
+		doSetValue(annotationEntry, value.toString());
+	}
 }