src/vs/workbench/contrib/userDataSync/browser/userDataSyncViews.ts/RemoteUserDataSyncActivityViewDataProvider/getChildrenForSyncResourceTreeItem
class RemoteUserDataSyncActivityViewDataProvider:	protected override async getChildrenForSyncResourceTreeItem(element: SyncResourceHandleTreeItem): Promise<ITreeItem[]> {
		const children = await super.getChildrenForSyncResourceTreeItem(element);
		if (children.length) {
			const machineId = await this.userDataSyncService.getMachineId(element.syncResourceHandle);
			if (machineId) {
				const machines = await this.getMachines();
				const machine = machines.find(({ id }) => id === machineId);
				children[0].description = machine?.isCurrent ? localize({ key: 'current', comment: ['Represents current machine'] }, "Current") : machine?.name;
			}
		}
		return children;
	}