Bug 283178 [Compatibility] Make actionSets visible/invisible
Model elements generated from actionSets should be grouped so they can be made visible/invisible. PW
bundles/org.eclipse.e4.ui.model.workbench/src/org/eclipse/e4/ui/model/internal/application/MHandledItemImpl.java
@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case ApplicationPackage.MHANDLED_ITEM__COMMAND:
				return command != null;
			case ApplicationPackage.MHANDLED_ITEM__MENU:
				return menu != null;
			case ApplicationPackage.MHANDLED_ITEM__WB_COMMAND:
				return WB_COMMAND_EDEFAULT == null ? wbCommand != null : !WB_COMMAND_EDEFAULT.equals(wbCommand);
			case ApplicationPackage.MHANDLED_ITEM__PARAMETERS:
				return parameters != null && !parameters.isEmpty();
		}
		return super.eIsSet(featureID);
	}
	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public String toString() {
		if (eIsProxy()) return super.toString();
		StringBuffer result = new StringBuffer(super.toString());
		result.append(" (wbCommand: "); 
		result.append(wbCommand);
		result.append(')');
		return result.toString();
	}
}