Weston Ruter 1b96e389c0 Customize: Fix inability to delete nav menus by preventing preview filters from being added during customize_save admin ajax request.
Also prevent setting `nav_menu_locations[...]` values to `NaN` which gets sent as `null`.

Amends [38810].
See #30937.
Fixes #39103.

Built from https://develop.svn.wordpress.org/trunk@39558


git-svn-id: http://core.svn.wordpress.org/trunk@39498 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2016-12-10 06:30:46 +00:00
..
2016-07-26 23:24:28 +00:00