src/vs/workbench/contrib/markers/browser/markersView.ts/MarkersView/getActionViewItem
class MarkersView:	public override getActionViewItem(action: IAction): IActionViewItem | undefined {
		if (action.id === `workbench.actions.treeView.${this.id}.filter`) {
			return this.instantiationService.createInstance(MarkersFilterActionViewItem, action, this);
		}
		return super.getActionViewItem(action);
	}