added group container (#1508)

src/sql/parts/modelComponents/interfaces.ts

@@ -23,6 +23,7 @@ export interface IComponent {
 	addToContainer?: (componentDescriptor: IComponentDescriptor, config: any) => void;
 	setLayout?: (layout: any) => void;
 	setProperties?: (properties: { [key: string]: any; }) => void;
+	enabled: boolean;
 	readonly valid?: boolean;
 	validate(): Thenable<boolean>;
 }