Experiment refactor

[Carsonthemonkey]

Overview

Refactored Experiment Field Collection to be an Action that can be run from the orchestrator

Ticket

Pivotal Ticket

Contributions

• Create ExperimentFieldCollectionAction which calls start_experiment_field_collection_gui

Test

• Adds ExperimentFieldCollectionAction to demo orchestration protocol.
• Tests that GUI appears.

Documentation

• No documentation updates required

Changelog

• Changelog updated