REST API, Media: Add `X-WP-Upload-Attachment-ID` HTTP header to enable...

REST API, Media: Add `X-WP-Upload-Attachment-ID` HTTP header to enable retrying of post-processing of edited images if the server runs out of resources. This is the same as after uploading a new image, will do up to five additional requests to let the server create all image sub-sizes.

Fixes #50711.
Built from https://develop.svn.wordpress.org/trunk@48525


git-svn-id: https://core.svn.wordpress.org/trunk@48287 1a063a9b-81f0-0310-95a4-ce76da25c4cd