Ignore validation of extension model in transferAction

Due to often incomplete extensions which are transferred, we do not need
this validation.
4 jobs for task/do-not-validate-when-transferring-extension in 6 minutes and 42 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #9729
test:php

00:00:17

passed #9728
test:unit

00:02:07

 
  Build
passed #9730
build

00:01:37

 
  Layout
passed #9731
layout

00:02:57