Weston Ruter ede4050ace Customizer: Prevent nav_menu_item settings from becoming dirty when their controls are set up.
Since `wp_setup_nav_menu_item()` returns the `classes` property as an array but the Customizer manages the value as a string, the setting needs to initially export the value as a string. This prevents the `classes` property type change from causing the setting to get marked as dirty even though nothing changed. This is a regression from [34788].

See #34111.


git-svn-id: https://develop.svn.wordpress.org/trunk@35308 602fd350-edb4-49c9-b593-d223f7449a82
2015-10-20 22:44:44 +00:00
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