Refactoring - wp-dropins

Fixed accidental removal of 'wp-themes-inactive' label.

Author: apermo

src/wp-admin/includes/class-wp-debug-data.php

@@ -105,6 +105,12 @@ public static function debug_data() {
 			'fields' => array(),
 		);
 
+		$info['wp-themes-inactive'] = array(
+			'label'      => __( 'Inactive Themes' ),
+			'show_count' => true,
+			'fields'     => array(),
+		);
+
 		$info['wp-plugins-active'] = array(
 			'label'      => __( 'Active Plugins' ),
 			'show_count' => true,