[Media] Use wp/v2 endpoint for loading WP media library and updating Product ID

[selanthiraiyan]

Problem

We currently use rest/v1.1 endpoints for the following two remote calls. This doesn't work when XMLRPC is disabled on the site.

1. To load media from WP media library
2. To link the product with the media ID

Related issue - #14232

Proposed solution

Start using wp/v2 endpoint to load images from media library. This endpoint works even when XMLRPC is disabled.

Internal - p1732776777296839/1732776754.769469-slack-C03L1NF1EA3

TODO

After finishing the above work and releasing it to users.

• Announce to Happiness team once we longer need XMLRPC for Media.

[dangermattic]

Thanks for reporting! 👍