Fix validation error

[fanesz]

It happens on production log

9|portal_loker  | ValidationError: The 'X-Forwarded-For' header is set but the Express 'trust proxy' setting is false (default). This could indicate a misconfiguration which would prevent express-rate-limit from accurately identifying users. See https://express-rate-limit.github.io/ERR_ERL_UNEXPECTED_X_FORWARDED_FOR/ for more information.
9|portal_loker  |     at Object.xForwardedForHeader (/project/portal_loker/backend/node_modules/express-rate-limit/dist/index.cjs:167:13)
9|portal_loker  |     at wrappedValidations.<computed> [as xForwardedForHeader] (/project/portal_loker/backend/node_modules/express-rate-limit/dist/index.cjs:362:22)
9|portal_loker  |     at Object.keyGenerator (/project/portal_loker/backend/node_modules/express-rate-limit/dist/index.cjs:617:20)
9|portal_loker  |     at /project/portal_loker/backend/node_modules/express-rate-limit/dist/index.cjs:670:32
9|portal_loker  |     at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
9|portal_loker  |     at async /project/portal_loker/backend/node_modules/express-rate-limit/dist/index.cjs:650:5 {
9|portal_loker  |   code: 'ERR_ERL_UNEXPECTED_X_FORWARDED_FOR',
9|portal_loker  |   help: 'https://express-rate-limit.github.io/ERR_ERL_UNEXPECTED_X_FORWARDED_FOR/'
9|portal_loker  | }