Avoid PHP8 warnings

includes/form-actions/cfafa-form-action-base.php

@@ -111,7 +111,7 @@ class CFAFA_Form_Action_Base {
 	 * @param string $action The name of the Action.
 	 * @param array  $data The result of the Action.
 	 */
-	public function load_action_save( $action = '', $data ) {
+	public function load_action_save( $action, $data ) {
 
 		// Get the existing array of Action results.
 		$actions = get_query_var( 'acfe_form_actions', [] );
@@ -188,7 +188,7 @@ class CFAFA_Form_Action_Base {
 	 * @param string $action The name of the Action.
 	 * @param array  $data The result of the Action.
 	 */
-	public function make_action_save( $action = '', $data ) {
+	public function make_action_save( $action, $data ) {
 
 		// Get the existing array of Action results.
 		$actions = get_query_var( 'acfe_form_actions', [] );