Run app warning if protocol has no steps

[howisthisnamenottakenyet]

As a user I would like more explicit guidance on why my protocol is not loading properly in the run app

Background

Multiple users (two, so this isn't a critical ticket) have imported protocols with no steps. The run app will load the protocol but every row in the calibration page will be empty and nothing happens when you hit 'run'. There is no guidance on what is going on.

Acceptance criteria

• A user gets a warning when they attempt to import a protocol with no steps.

Design

[mcous]

Gonna re-categorize this one as a "bug" for tracking purposes and because "behavior has confused users" seems like a good threshold