TinyMCE: better calculation for editor height when switching Text to Visual and back. Add stopping of editor resizing when the mouse leaves the browser window. See #27279
Built from https://develop.svn.wordpress.org/trunk@27941


git-svn-id: http://core.svn.wordpress.org/trunk@27771 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Edit image modal:
- Make the calculation of the aspect ratio more robust.
- Better getting of the image height and width.
Props gcorne, see #27366
Built from https://develop.svn.wordpress.org/trunk@27942


git-svn-id: http://core.svn.wordpress.org/trunk@27772 1a063a9b-81f0-0310-95a4-ce76da25c4cd