Upgrade/Install: Pass correct argument to `clear_destination` in `Theme_Upgrader::install()`.

Follow-up to [48390].

Props afragen, sabernhardt.
Fixes #9757.
Built from https://develop.svn.wordpress.org/trunk@48685


git-svn-id: http://core.svn.wordpress.org/trunk@48447 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/class-plugin-upgrader.php

@@ -127,6 +127,7 @@ class Plugin_Upgrader extends WP_Upgrader {
 		$this->install_strings();
 
 		add_filter( 'upgrader_source_selection', array( $this, 'check_package' ) );
+
 		if ( $parsed_args['clear_update_cache'] ) {
 			// Clear cache so wp_update_plugins() knows about the new plugin.
 			add_action( 'upgrader_process_complete', 'wp_clean_plugins_cache', 9, 0 );

wp-admin/includes/class-theme-upgrader.php

@@ -239,6 +239,7 @@ class Theme_Upgrader extends WP_Upgrader {
 
 		add_filter( 'upgrader_source_selection', array( $this, 'check_package' ) );
 		add_filter( 'upgrader_post_install', array( $this, 'check_parent_theme_filter' ), 10, 3 );
+
 		if ( $parsed_args['clear_update_cache'] ) {
 			// Clear cache so wp_update_themes() knows about the new theme.
 			add_action( 'upgrader_process_complete', 'wp_clean_themes_cache', 9, 0 );
@@ -248,7 +249,7 @@ class Theme_Upgrader extends WP_Upgrader {
 			array(
 				'package'           => $package,
 				'destination'       => get_theme_root(),
-				'clear_destination' => $args['overwrite_package'],
+				'clear_destination' => $parsed_args['overwrite_package'],
 				'clear_working'     => true,
 				'hook_extra'        => array(
 					'type'   => 'theme',

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.6-alpha-48684';
+$wp_version = '5.6-alpha-48685';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.