src/vs/workbench/browser/parts/compositeBarActions.ts/CompositeActionViewItem/updateEnabled
class CompositeActionViewItem:	protected override updateEnabled(): void {
		if (!this.element) {
			return;
		}

		if (this.action.enabled) {
			this.element.classList.remove('disabled');
		} else {
			this.element.classList.add('disabled');
		}
	}