Extracted openLaunchInstanceWizard from the
LaunchInstanceModalController to a Service named
horizon.dashboard.project.workflow.launch-instance.modal.service
This service is required for the new Images panel
to create the launch instance modal pop up.
Partially-Implements: blueprint angularize-images-table
Change-Id: Id7177cbafbfb9094d03908b5f8eba52d00241817