Media: Fix CSS issue preventing inserting images on smaller viewports.

Addresses a regression introduced in [57605] where the “Select” button in the media modal was not clickable anymore due to an overlaid element.

Props ramonopoly, swissspidy, freewebmentor.
Reviewed by joedolson.
Merges [57881] to the 6.5 branch.
Fixes #33049.
Built from https://develop.svn.wordpress.org/branches/6.5@57884


git-svn-id: http://core.svn.wordpress.org/branches/6.5@57385 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/css/media-views-rtl.css

@@ -2819,7 +2819,7 @@
 	.media-frame .wp-filter .media-toolbar-secondary {
 		position: unset;
 	}
-	
+
 	.media-frame .media-toolbar-secondary .spinner {
 		position: absolute;
 		top: 0;
@@ -2829,13 +2829,13 @@
 		left: 0;
 		z-index: 9;
 	}
-	
+
 	.media-bg-overlay {
 		content: '';
 		background: #ffffff;
 		width: 100%;
 		height: 100%;
-		display: hidden;
+		display: none;
 		position: absolute;
 		right: 0;
 		left: 0;

wp-includes/css/media-views.css

@@ -2818,7 +2818,7 @@
 	.media-frame .wp-filter .media-toolbar-secondary {
 		position: unset;
 	}
-	
+
 	.media-frame .media-toolbar-secondary .spinner {
 		position: absolute;
 		top: 0;
@@ -2828,13 +2828,13 @@
 		right: 0;
 		z-index: 9;
 	}
-	
+
 	.media-bg-overlay {
 		content: '';
 		background: #ffffff;
 		width: 100%;
 		height: 100%;
-		display: hidden;
+		display: none;
 		position: absolute;
 		left: 0;
 		right: 0;

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.5-RC3-57880';
+$wp_version = '6.5-RC3-57884';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.