Replace the `.png` files in use for media library type icons with `.svg` versions. Improves sharpness, especially on high resolution screens and devices.
Props iseulde, melchoyce, joemcgill, sabernhardt, huzaifaalmesbah, wonderboymusic, ocean90, karmatosed, boemedia, bosskhj, joedolson.
Fixes#31352.
Built from https://develop.svn.wordpress.org/trunk@57638
git-svn-id: http://core.svn.wordpress.org/trunk@57139 1a063a9b-81f0-0310-95a4-ce76da25c4cd
