Jump between steps

[pchklm]

This PR enables the user to skip between steps in order to quickly change parameters and then recalculate the entire workflow.

Changes

Everywhere o7

Testing

Test if steps still get correctly calculated.

PR checklist

Development

• If necessary, I have updated the documentation (README, docstrings, etc.)
• If necessary, I have created / updated tests.

Mergeability

• main-branch has been merged into local branch to resolve conflicts
• The tests and linter have passed AFTER local merge

Code review

• I have self-reviewed my code.
• At least one other developer reviewed and approved the changes

[henninggaertner]

You should take a look at #515 if you haven't yet to see whether this should be combined