src/vs/workbench/browser/parts/notifications/notificationsToasts.ts/NotificationsToasts/doHide
class NotificationsToasts:	private doHide(): void {
		this.notificationsToastsContainer?.classList.remove('visible');

		// Context Key
		this.notificationsToastsVisibleContextKey.set(false);

		// Events
		if (this._isVisible) {
			this._isVisible = false;
			this._onDidChangeVisibility.fire();
		}
	}