TinyMCE: fix the edit image and wpview buttons on touch screen PCs, fixes #29235.
Built from https://develop.svn.wordpress.org/trunk@29521


git-svn-id: http://core.svn.wordpress.org/trunk@29297 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Editor scrolling: always resize the text editor clone so it doesn't "push" the parent's width over 100%, fixes #29246.
Built from https://develop.svn.wordpress.org/trunk@29522


git-svn-id: http://core.svn.wordpress.org/trunk@29298 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Editor scrolling:
- Properly handle change of sidebar height when opening, closing or hiding postboxes.
- Add a flag when to start pinning. Set it to few pixels more than the initial editor height.
See #28328
Built from https://develop.svn.wordpress.org/trunk@29523


git-svn-id: http://core.svn.wordpress.org/trunk@29299 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Editor scrolling: set max-width: 100% for the text editor clone instead of always resizing it. See #29246.
Built from https://develop.svn.wordpress.org/trunk@29524


git-svn-id: http://core.svn.wordpress.org/trunk@29300 1a063a9b-81f0-0310-95a4-ce76da25c4cd