BAH-4982 | Add. Pagination for advanced search using cursor based approach

[sp-tw]

• New Features
  • Added cursor-based pagination, sorting, configurable page sizes, and optional total-count information to appointment searches.
  • Search responses now include pagination metadata, timestamps, and success details.
  • Added default and maximum page-size configuration, with safe fallbacks for invalid settings.
• Bug Fixes
  • Empty search results now return consistent pagination metadata.
  • Client requests exceeding the maximum page size are capped automatically.
• Refactor
  • Standardized search criteria and request metadata validation.