spacedmonkey 8ea348f6db Themes: Reduce usage of wp_get_theme function.
Calling the `wp_get_theme` function creates a instance of the `WP_Theme` class. This can be a performance issue, if all you need is one property of the class instance. This change replaces the usage of `wp_get_theme()->get_stylesheet()` with `get_stylesheet()` to improve performance.

Props spacedmonkey, flixos90, peterwilsoncc, desrosj.
Fixes #57057.
Built from https://develop.svn.wordpress.org/trunk@54817


git-svn-id: http://core.svn.wordpress.org/trunk@54369 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2022-11-11 16:26:12 +00:00
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