Privacy: Only mark a personal data export as complete when the user downloads it.

An admin may download an export to check that it's all correct, but this action shouldn't mark the request as complete.

Props garrett-eclipse, JoshuaWold, birgire.
Fixes #44644.


Built from https://develop.svn.wordpress.org/trunk@45148


git-svn-id: http://core.svn.wordpress.org/trunk@44957 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/file.php

@@ -2550,6 +2550,9 @@ function wp_privacy_process_personal_data_export_page( $response, $exporter_inde
 		if ( is_wp_error( $mail_success ) ) {
 			wp_send_json_error( $mail_success->get_error_message() );
 		}
+
+		// Update the request to completed state when the export email is sent.
+		_wp_privacy_completed_request( $request_id );
 	} else {
 		// Modify the response to include the URL of the export file so the browser can fetch it.
 		$export_file_url = get_post_meta( $request_id, '_export_file_url', true );
@@ -2558,8 +2561,5 @@ function wp_privacy_process_personal_data_export_page( $response, $exporter_inde
 		}
 	}
 
-	// Update the request to completed state.
-	_wp_privacy_completed_request( $request_id );
-
 	return $response;
 }