TinyMCE: remove &nbsp from empty paragraphs inside the visual editor, props avryl, fixes #28282
Built from https://develop.svn.wordpress.org/trunk@28685


git-svn-id: http://core.svn.wordpress.org/trunk@28503 1a063a9b-81f0-0310-95a4-ce76da25c4cd
wpView: fire a `nodeChanged` event after selecting a view so the editor UI gets updated. Props avryl, fixes #28385
Built from https://develop.svn.wordpress.org/trunk@28686


git-svn-id: http://core.svn.wordpress.org/trunk@28504 1a063a9b-81f0-0310-95a4-ce76da25c4cd