Media Grid: 

* The "Edit Image" link in the attachment modal details is redundant.
* After an attachment is deleted in the modal, automatically move to the next attachment in the library. If there are no attachments left, close the modal.

See #24716.

Built from https://develop.svn.wordpress.org/trunk@29085


git-svn-id: http://core.svn.wordpress.org/trunk@28871 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Media Grid: 

* Move the grid down via CSS transition when the Screen Options slide open.
* Remove some unused CSS for grid options.

See #24716.

Built from https://develop.svn.wordpress.org/trunk@29086


git-svn-id: http://core.svn.wordpress.org/trunk@28872 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Media Grid: "Add New" should open and close, not just open.

See #24716.

Built from https://develop.svn.wordpress.org/trunk@29087


git-svn-id: http://core.svn.wordpress.org/trunk@28873 1a063a9b-81f0-0310-95a4-ce76da25c4cd