Themes: Make sure the `current_theme_supports-{$feature}` filter is consistently applied.

Previously, the filter was not applied if there are no arguments passed to `current_theme_supports()`.

Follow-up to [12350], [19682].

Props helgatheviking, azouamauriac, pavanpatil1, SergeyBiryukov.
Fixes #55219.
Built from https://develop.svn.wordpress.org/trunk@52812


git-svn-id: http://core.svn.wordpress.org/trunk@52401 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/theme.php

@@ -3037,9 +3037,10 @@ function current_theme_supports( $feature, ...$args ) {
 		return false;
 	}
 
-	// If no args passed then no extra checks need be performed.
+	// If no args passed then no extra checks need to be performed.
 	if ( ! $args ) {
-		return true;
+		/** This filter is documented in wp-includes/theme.php */
+		return apply_filters( "current_theme_supports-{$feature}", true, $args, $_wp_theme_features[ $feature ] ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
 	}
 
 	switch ( $feature ) {

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.0-alpha-52811';
+$wp_version = '6.0-alpha-52812';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.