Media: remove any `attachment-filter` query param when switching views.

Fix an issue where the media attachment filter no longer worked after switching to list view, filtering by a media type then switching back to the grid view.

Props itzmekhokan, netsurfer2705, zodiac1978.
Fixes #43656.


Built from https://develop.svn.wordpress.org/trunk@47915


git-svn-id: http://core.svn.wordpress.org/trunk@47689 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/class-wp-list-table.php

@@ -640,7 +640,7 @@ class WP_List_Table {
 			}
 			printf(
 				"<a href='%s' class='%s' id='view-switch-$mode'$aria_current><span class='screen-reader-text'>%s</span></a>\n",
-				esc_url( add_query_arg( 'mode', $mode ) ),
+				esc_url( remove_query_arg( 'attachment-filter', add_query_arg( 'mode', $mode ) ) ),
 				implode( ' ', $classes ),
 				$title
 			);

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.5-alpha-47914';
+$wp_version = '5.5-alpha-47915';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.