Fix class lookup

src/Connect.php

@@ -456,10 +456,9 @@ class Connect
         foreach (self::$foreignKeys as $key => $resourceType)
         {
             if (!array_key_exists($key, $data)) continue;
+            if (!array_key_exists($resourceType, $this->synchronized)) continue;
 
             $model = $this->resolveResourceModel($resourceType);
-            if (!in_array(HasConnectSync::class, class_uses($model))) continue;
-
             $record = $model::findConnectResource($data[$key]);
             $data[$key] = $record ? $record->id : null;
         }