Set up the experiment globally when setting the configuration interactively (#256)

[Galileo-Galilei]

Description

Close #256

Development notes

What have you changed, and how has this been tested?

Checklist

• Read the contributing guidelines
• Open this PR as a 'Draft Pull Request' if it is work-in-progress
• N/A Update the documentation to reflect the code changes
• Add a description of this change and add your name to the list of supporting contributions in the CHANGELOG.md file. Please respect Keep a Changelog guidelines.
• Add tests to cover your changes

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