Preserving headers in SaaSRequestParams during pagination

[sadaqatullah]

Purpose

Pagination doesn't retain headers of first request. This implements bugfix for that.

Changes

• Mapping original request headers in requests generated from pagination.

Checklist

• Update CHANGELOG.md file
  • Merge in main so the most recent CHANGELOG.md file is being appended to
  • Add description within the Unreleased section in an appropriate category. Add a new category from the list at the top of the file if the needed one isn't already there.
  • Add a link to this PR at the end of the description with the PR number as the text. example: #1
• Good unit test/integration test coverage

Ticket

Fixes #1066

[galvana]

Thanks for identifying and fixing this so quickly, this all looks good to go!