allow adding photos to the public signing location release

app/controllers/public/location_releases_controller.rb

@@ -64,7 +64,8 @@ class Public::LocationReleasesController < Public::BaseController
       :person_address_country,
       :signature_base64,
       :locale, :contract_template, :filming_started_on, :filming_ended_on,
-      :filming_hours
+      :filming_hours,
+      photos: []
     )
   end