Remove text label when anchorage is deleted

Signed-off-by: Ulrich Schöpp <schoepp@fortiss.org>
Issue-Ref: 4184

org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/editor/fx/visual/NamedLayoutedCircularAnchorageContentVisual.java

@@ -66,6 +66,15 @@ public class NamedLayoutedCircularAnchorageContentVisual<T extends ILayoutedMode
 		}
 	}
 
+	/** {@inheritDoc} */
+	@Override
+	public void removeAllVisuals(DiagramLayers layers) {
+		super.removeAllVisuals(layers);
+		if(nameText.getParent() != null) {
+			layers.getVisualFeedbackLayer().remove(nameText);
+		}
+	}
+
 	/** Returns whether the name label should be enabled. */
 	public boolean enableName() {
 		return !stickyConnectorHasVisibleConnections(getModelElement());