Use environment files when building image params
Use environment files when building image params

Also moves deployed-server-environment.yaml before
the user environments as it resets
OS::TripleO::DeployedServer::ControlPlanePort.

Regression from I8fb6ca088b1052488ff4f9ada4d3ab29c0be4735

Closes-Bug: #1926758
Change-Id: I1a6da2e92cc994240f53e8d702f61d941b6a37f7

openstack/python-tripleoclient