BUG UnsavedRelationList aren't checked

When saveInto is called on ListboxField and CheckboxsetField,
UnsavedRelationList should be an acceptable relationship type. This is
leading to relations not being saved on initial creation of Member
objects

Author: dhensby

forms/CheckboxSetField.php

@@ -181,7 +181,7 @@ public function setValue($value, $obj = null) {
 	public function saveInto(DataObjectInterface $record) {
 		$fieldname = $this->name;
 		$relation = ($fieldname && $record && $record->hasMethod($fieldname)) ? $record->$fieldname() : null;
-		if($fieldname && $record && $relation && $relation instanceof RelationList) {
+		if($fieldname && $record && $relation && ($relation instanceof RelationList || $relation instanceof UnsavedRelationList)) {
 			$idList = array();
 			if($this->value) foreach($this->value as $id => $bool) {
 				if($bool) {

forms/ListboxField.php

@@ -179,7 +179,7 @@ public function saveInto(DataObjectInterface $record) {
 		if($this->multiple) {
 			$fieldname = $this->name;
 			$relation = ($fieldname && $record && $record->hasMethod($fieldname)) ? $record->$fieldname() : null;
-			if($fieldname && $record && $relation && $relation instanceof RelationList) {
+			if($fieldname && $record && $relation && ($relation instanceof RelationList || $relation instanceof UnsavedRelationList)) {
 				$idList = (is_array($this->value)) ? array_values($this->value) : array();
 				if(!$record->ID) {
 					$record->write(); // record needs to have an ID in order to set relationships