I18N: Change context for the "Add New" string on Themes screen for consistency with other similar strings.

Props ramiy.
Fixes #48875.
Built from https://develop.svn.wordpress.org/trunk@46812


git-svn-id: http://core.svn.wordpress.org/trunk@46612 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/themes.php

@@ -191,7 +191,7 @@ require_once( ABSPATH . 'wp-admin/admin-header.php' );
 	</h1>
 
 	<?php if ( ! is_multisite() && current_user_can( 'install_themes' ) ) : ?>
-		<a href="<?php echo admin_url( 'theme-install.php' ); ?>" class="hide-if-no-js page-title-action"><?php echo esc_html_x( 'Add New', 'Add new theme' ); ?></a>
+		<a href="<?php echo admin_url( 'theme-install.php' ); ?>" class="hide-if-no-js page-title-action"><?php echo esc_html_x( 'Add New', 'theme' ); ?></a>
 	<?php endif; ?>
 
 	<form class="search-form"></form>

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.4-alpha-46811';
+$wp_version = '5.4-alpha-46812';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.