Editor: limit scrolling triggered when TinyMCE is auto-resized to 100px. Prevents auto-scrolling on page load. Fixes #30515.
Built from https://develop.svn.wordpress.org/trunk@30586


git-svn-id: http://core.svn.wordpress.org/trunk@30576 1a063a9b-81f0-0310-95a4-ce76da25c4cd