Ensure notebook runs correctly with non clean output folder

[jenshnielsen]

This notebooks errors with a duplicate experiment error if you rebuild docs without deleting the output folder. Since this is written with the explicit assumption that the db is empty at the start I have opted to create a file with a unique name.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 70.60%. Comparing base (5a71038) to head (6595f11).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #8023   +/-   ##
=======================================
  Coverage   70.60%   70.60%           
=======================================
  Files         333      333           
  Lines       32486    32486           
=======================================
  Hits        22936    22936           
  Misses       9550     9550           

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