Diambiguate `type` and `shortcode` in TinyMCE view classes and their attached `view.View` class. Has the added feature of not causing JS errors.

See #28532.

Built from https://develop.svn.wordpress.org/trunk@28775


git-svn-id: http://core.svn.wordpress.org/trunk@28588 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Move preg_match() that should only run once out of the loop.

props dllh.
fixes #28575.
Built from https://develop.svn.wordpress.org/trunk@28776


git-svn-id: http://core.svn.wordpress.org/trunk@28589 1a063a9b-81f0-0310-95a4-ce76da25c4cd