Twenty Nineteen: Prevent a console error related to the main navigation on Firefox.

This changeset improves a JS conditional statement to fix a console error thrown by Firefox on `event.target.matches`.

Props kjellr, laurelfulford, audrasjb, dimijazz, ianbelanger, pbiron, poena, McAlyster, janpaulkleijn, swissspidy, mukesh27, rehanali.
Fixes #46474.
See #45903 (fixes one of the two issues of this ticket).



Built from https://develop.svn.wordpress.org/trunk@55970


git-svn-id: http://core.svn.wordpress.org/trunk@55482 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-content/themes/twentynineteen/js/touch-keyboard-navigation.js

@@ -274,7 +274,7 @@
 
 		document.addEventListener('focus', function(event) {
 
-			if ( event.target.matches('.main-navigation > div > ul > li a') ) {
+			if ( event.target != window.document && event.target.matches( '.main-navigation > div > ul > li a' ) ) {
 
 				// Remove Focused elements in sibling div.
 				var currentDiv        = getCurrentParent( event.target, 'div', '.main-navigation' );

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.3-alpha-55969';
+$wp_version = '6.3-alpha-55970';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.