Twenty Twenty-Five: Merge the latest improvements for Beta 2.

This merges the latest improvements to the Twenty Twenty-Five theme from GitHub into `trunk` for 6.7 beta 2.

A full list of changes can be found on GitHub: https://github.com/WordPress/twentytwentyfive/commits/trunk/?since=2024-10-01&until=2024-10-07.

Props poena, mukesh27, jonnywatersbb, cliffralessio, afercia, samtoohey93, codersantosh, carstenbach, gohelkunjan, ryelle, aaronrobertshaw, wildworks, yukinobu, audrasjb, mdviralsampat, hanneslsm, ddewan, greenshady, joedolson, areziaal, alaminfirdows, kartikmehta, cwhitmore.
Fixes #62180.

git-svn-id: https://develop.svn.wordpress.org/trunk@59191 602fd350-edb4-49c9-b593-d223f7449a82

Author: desrosj