Code Editor: Add Ctrl/Cmd+F as aliases for persistent search for more intuitive behaviour.

Keep Alt+F as well for users who already expect that.

Props Desertsnowman.
See #42586.

git-svn-id: https://develop.svn.wordpress.org/trunk@42625 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/general-template.php

@@ -3208,6 +3208,8 @@ function wp_enqueue_code_editor( $args ) {
 				'Ctrl-/'     => 'toggleComment',
 				'Cmd-/'      => 'toggleComment',
 				'Alt-F'      => 'findPersistent',
+				'Ctrl-F'     => 'findPersistent',
+				'Cmd-F'      => 'findPersistent',
 			),
 			'direction'        => 'ltr', // Code is shown in LTR even in RTL languages.
 			'gutters'          => array(),