src/vs/platform/userDataSync/common/userDataSyncService.ts/UserDataSyncService/computeStatus
class UserDataSyncService:	private computeStatus(): SyncStatus {
		if (!this.userDataSyncStoreManagementService.userDataSyncStore) {
			return SyncStatus.Uninitialized;
		}
		if (this.synchronisers.some(s => s.status === SyncStatus.HasConflicts)) {
			return SyncStatus.HasConflicts;
		}
		if (this.synchronisers.some(s => s.status === SyncStatus.Syncing)) {
			return SyncStatus.Syncing;
		}
		return SyncStatus.Idle;
	}