Social | Migrate remaining settings to script data (#40081)

* Social | Migrate remaining settings to script data

* Remove the unnecessary props to useConnection

* Add changelog

* Be generous for unit tests

* Fix import

* Update class-publicize-script-data.php

* Clean up the social initial state from Jetpack plugin

Committed via a GitHub action: https://github.com/Automattic/jetpack/actions/runs/11776422450

Upstream-Ref: Automattic/jetpack@11d94d0