set class is depriciated and was not working for arrays with string k…

…ey and then int key starting at 1

Core/Libs/Controller/Component/MassActionComponent.php

@@ -93,7 +93,7 @@ public function getIds($massAction, $data) {
 			return null;
 		}
 
-		$ids = array_values(array_filter(Set::extract('/massCheckBox', $data)));
+		$ids = array_values(array_filter(Hash::extract($data, '{n}.massCheckBox')));
 		if (empty($ids)) {
 			$this->Controller->notice(
 				__('Nothing was selected, please select something and try again.'),