Fail earlier if domain is non-transferable

Regardless of EPP transfer operation

#694

app/models/concerns/domain/transferable.rb

@@ -5,6 +5,10 @@ module Concerns::Domain::Transferable
     after_initialize :generate_transfer_code, if: :generate_transfer_code?
   end
 
+  def non_transferable?
+    !transferrable?
+  end
+
   def transfer(new_registrar)
     old_registrar = registrar
 

app/models/epp/domain.rb

@@ -644,13 +644,6 @@ class Epp::Domain < Domain
   # rubocop: disable Metrics/MethodLength
   # rubocop: disable Metrics/AbcSize
   def query_transfer(frame, current_user)
-    unless transferrable?
-      throw :epp_error, {
-        code: '2304',
-        msg: I18n.t(:object_status_prohibits_operation)
-      }
-    end
-
     if current_user.registrar == registrar
       throw :epp_error, {
         code: '2002',