src/vs/platform/workspaces/common/workspaces.ts/useSlashForPath
export function useSlashForPath(storedFolders: IStoredWorkspaceFolder[]): boolean {
	if (isWindows) {
		return storedFolders.some(folder => isRawFileWorkspaceFolder(folder) && folder.path.indexOf('/') >= 0);
	}

	return true;
}