Galleries: Avoid doubling up clearing br elements.

props drozdz.
fixes #25537.


git-svn-id: https://develop.svn.wordpress.org/trunk@27800 602fd350-edb4-49c9-b593-d223f7449a82
Always decode special characters for email subjects.

props tlovett1, jeremyfelt.
fixes #25346.


git-svn-id: https://develop.svn.wordpress.org/trunk@27801 602fd350-edb4-49c9-b593-d223f7449a82