Crashes when no `.env` exists on [POST] /api/system/backup/export

[mStirner]

[2025.05.30 - 10:47:35.948][debug][http] 127.0.0.1 - [POST] /api/system/backup/export
node:fs:442
    return binding.readFileUtf8(path, stringToFlags(options.flag));
                   ^

Error: ENOENT: no such file or directory, open '/home/marc/projects/OpenHaus/backend/.env'
    at Object.readFileSync (node:fs:442:20)
    at /home/marc/projects/OpenHaus/backend/routes/router.system.backup.js:82:30
    at process.processTicksAndRejections (node:internal/process/task_queues:105:5) {
  errno: -2,
  code: 'ENOENT',
  syscall: 'open',
  path: '/home/marc/projects/OpenHaus/backend/.env'
}

Node.js v22.16.0