App should warn user before run that not all required modules are connected

[simonchih]

overview

Temperature deck works fine if script only load temperature deck and temperature deck is connected, but it will end at start if script load Temperature and Magnetic deck but only one deck is connected.

current behavior

Opentrons GUI app will end at start if script load Temperature and Magnetic deck but only connect one.

steps to reproduce

Version: v3.5.1

1. Open Opentrons GUI app
2. Check only temperature deck is connected
3. Upload script that load temperature and magnetic deck below:
   md.py
4. Start script
   ==> It will end at start immediately.

Note:
It works fine if script only load temperature deck.
script below:
md_Laura.py

expected behavior

OT2 app will end at start, but user won’t know what happened.
Please add error message "NOT all hardware modules are connected" at OT app stop to run.

[mcous]

Proposed fix: disable the "Run" button in the run page with a tooltip that says "Please attach all required modules to your robot before running your protocol"