Media: Add test case for removing "img_auto_sizes_contain_css_fix" by dequeueing handle at wp_enqueue_scripts.

From 6.9 and beyond, dequeueing the `wp-img-auto-sizes-contain` style handle would be preferable to removing the action at `wp_head`.

Follow-up to [60910], [59435].

See #62731, #62413.


git-svn-id: https://develop.svn.wordpress.org/trunk@60911 602fd350-edb4-49c9-b593-d223f7449a82

Author: westonruter

tests/phpunit/tests/media.php

@@ -6601,6 +6601,17 @@ public function data_provider_data_provider_to_test_wp_enqueue_img_auto_sizes_co
 				'set_up'   => null,
 				'expected' => true,
 			),
+			'dequeued'                    => array(
+				'set_up'   => static function (): void {
+					add_action(
+						'wp_enqueue_scripts',
+						static function () {
+							wp_dequeue_style( 'wp-img-auto-sizes-contain' );
+						}
+					);
+				},
+				'expected' => false,
+			),
 			'filtered_off'                => array(
 				'set_up'   => static function (): void {
 					add_filter( 'wp_img_tag_add_auto_sizes', '__return_false' );