Fixes bug with Address field when is not translateble. #51

src/fields/Address.php

@@ -177,7 +177,7 @@ public function normalizeValue($value, ElementInterface $element = null)
 
         // return null when clearing address to save null value on content table
         if (!$addressModel->validate(null, false)) {
-            return null;
+            return $value;
         }
 
         return $addressModel;