Visually merge a plugin with its update notice. Same applies to themes in the...

Visually merge a plugin with its update notice. Same applies to themes in the network admin. Move from 'update automatically' to 'update now'. fixes #20273.



git-svn-id: https://core.svn.wordpress.org/trunk@20236 1a063a9b-81f0-0310-95a4-ce76da25c4cd