Add informative error message to simulation

[pipliggins]

Adds an error message informing users that lists of input sets cannot be used with experiments.

Fixes #5200

Important checks:

Please confirm the following before marking the PR as ready for review:

• No style issues: nox -s pre-commit
• All tests pass: nox -s tests
• The documentation builds: nox -s doctests
• Code is commented for hard-to-understand areas
• Tests added that prove fix is effective or that feature works

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.77%. Comparing base (86fec31) to head (c9b7c67).
⚠️ Report is 1 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #5226   +/-   ##
========================================
  Coverage    98.77%   98.77%           
========================================
  Files          321      321           
  Lines        27729    27731    +2     
========================================
+ Hits         27389    27391    +2     
  Misses         340      340           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[martinjrobins]

this looks great, does #5191 change this at all?

[pipliggins]

this looks great, does #5191 change this at all?

@martinjrobins No, #5191 doesn't touch any of the experiment/cycle solution code.