Check Request class in Crawlee and replicate `uniqueKey` generation logic

[vdusek]

• Check Request class in Crawlee TS and replicate uniqueKey generation logic.
  • https://github.com/apify/crawlee/blob/v3.8.1/packages/core/src/request.ts#L381-L395
• The issue is based on this comment src/apify/storages/request_queue.py#L148.

[vdusek]

Resolved in #193