Editor: Ensure the link dialog does not display when styles are missing.

props mattheu.
fixes #27605.

Built from https://develop.svn.wordpress.org/trunk@28071


git-svn-id: http://core.svn.wordpress.org/trunk@27902 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Account for new cropping settings in the image editor.

props Otto42, SergeyBiryukov.
fixes #19393.

Built from https://develop.svn.wordpress.org/trunk@28072


git-svn-id: http://core.svn.wordpress.org/trunk@27903 1a063a9b-81f0-0310-95a4-ce76da25c4cd