TinyMCE:

- Fix parsing of the init array in script-loader.
- Do not JSON encode the options object when outputting it from PHP.
- Remove JSON decoding of TinyMCE's `style_formats` option.

Props azaozz.
Merges [43867] to trunk.
Fixes #45221.
Built from https://develop.svn.wordpress.org/trunk@44236


git-svn-id: https://core.svn.wordpress.org/trunk@44066 1a063a9b-81f0-0310-95a4-ce76da25c4cd