Forms: Refactor Feedback_Test.php (#46394)

* Forms: Refactor Feedback_Test.php

* changelog

* Update projects/packages/forms/tests/php/contact-form/Feedback_Legacy_Compatibility_Test.php

Co-authored-by: Copilot <[email protected]>

* Update projects/packages/forms/tests/php/contact-form/Feedback_Browser_Geo_Test.php

Co-authored-by: Copilot <[email protected]>

---------

Co-authored-by: Copilot <[email protected]>

Committed via a GitHub action: https://github.com/Automattic/jetpack/actions/runs/20447787672

Upstream-Ref: Automattic/jetpack@d632b10

Author: enejb

CHANGELOG.md

@@ -9,6 +9,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 This is an alpha version! The changes listed here are not final.
 
+### Changed
+- Refactor Feedback_Test.php into 8 focused test classes for better organization and maintainability
+
 ### Fixed
 - Forms: update 'Learn more' link in form notification settings.