extensions/microsoft-authentication/src/AADHelper.ts/AzureActiveDirectoryService/getTenantId
class AzureActiveDirectoryService:	private getTenantId(scopes: string[]) {
		return scopes.reduce<string | undefined>((prev, current) => {
			if (current.startsWith('VSCODE_TENANT:')) {
				return current.split('VSCODE_TENANT:')[1];
			}
			return prev;
		}, undefined) ?? DEFAULT_TENANT;
	}