Media Grid: make check `box-shadow` more subtle.

See #28842.

Built from https://develop.svn.wordpress.org/trunk@29297


git-svn-id: http://core.svn.wordpress.org/trunk@29079 1a063a9b-81f0-0310-95a4-ce76da25c4cd
TinyMCE wpView:
- Fix opening the media modal on clicking Edit in Firefox.
- Fix range errors when restoring the selection bookmark in IE11 after editing a view.
See #28595.
Built from https://develop.svn.wordpress.org/trunk@29298


git-svn-id: http://core.svn.wordpress.org/trunk@29080 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Media Grid: when closing the modal, automatically focus the proper attachment by reading the model's ID, which is unique.

Props adamsilverstein (for the red), wonderboymusic (for the green).
Fixes #28857.

Built from https://develop.svn.wordpress.org/trunk@29299


git-svn-id: http://core.svn.wordpress.org/trunk@29081 1a063a9b-81f0-0310-95a4-ce76da25c4cd