refactor: otp-2381: Create path services for alignment instances

Closes otp-2381

Summary by CodeRabbit

• New Features

  • Introduced AbstractAlignmentWorkFileService for managing alignment work files.
  • Added comprehensive test specifications for CellRangerLinkFileService, ExternalAlignmentWorkFileService, and RnaAlignmentWorkFileService, enhancing validation of file retrieval and path generation.

• Refactor

  • Renamed and restructured test classes and methods for improved clarity and alignment with service functionalities.
  • Updated CellRangerService and CellRangerWorkflowService to utilize new services for file handling.

• Tests

  • Expanded test coverage to include UUID-based scenarios and various file handling methods, ensuring robust functionality of alignment services.