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 70.26%. Comparing base (b2dec8c) to head (9ccf280).
⚠️ Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8023      +/-   ##
==========================================
- Coverage   70.50%   70.26%   -0.25%     
==========================================
  Files         333      333              
  Lines       32436    32169     -267     
==========================================
- Hits        22870    22604     -266     
+ Misses       9566     9565       -1     

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