Import: Add the import_filters action hook to the Import screen.

This changeset introduces the new `import_filters` action hook at the end of the Import screen, consistently with other admin screens like `export.php`.

Props audrasjb, lenasterg.
Fixes #54419.
See #19863.




git-svn-id: https://develop.svn.wordpress.org/trunk@59701 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/import.php

@@ -235,6 +235,13 @@
 		esc_url( network_admin_url( 'plugin-install.php?tab=search&type=tag&s=importer' ) )
 	) . '</p>';
 }
+
+/**
+ * Fires at the end of the Import screen.
+ *
+ * @since 6.8.0
+ */
+do_action( 'import_filters' );
 ?>
 
 </div>