Editor: Hide the quicktags toolbar when JavaScript is disabled.

This adds the `hide-if-no-js` class to the quicktags toolbar in the Classic Editor. This prevents an empty space from showing when JavaScript is disabled.

Props DeusTron, sabernhardt, Boniu91, poena.
Fixes #40570.
Built from https://develop.svn.wordpress.org/trunk@50980


git-svn-id: http://core.svn.wordpress.org/trunk@50589 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/class-wp-editor.php

@@ -249,7 +249,7 @@ final class _WP_Editors {
 				$toolbar_id = 'qt_' . $editor_id_attr . '_toolbar';
 			}
 
-			$quicktags_toolbar = '<div id="' . $toolbar_id . '" class="quicktags-toolbar"></div>';
+			$quicktags_toolbar = '<div id="' . $toolbar_id . '" class="quicktags-toolbar hide-if-no-js"></div>';
 		}
 
 		/**

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.8-alpha-50979';
+$wp_version = '5.8-alpha-50980';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.