[REF] Rename Neurobagel-created session to ses-unnamed

[alyssadai]

• Closes Rename custom session created when no session level exists #262

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• PR links to GitHub issue with mention Closes #XXXX
• Tests pass
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• Tests have been added

For bug fixes:

• There is at least one test that would fail under the original bug conditions.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.37%. Comparing base (826bc93) to head (1ecdf59).
Report is 8 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #358   +/-   ##
=======================================
  Coverage   98.37%   98.37%           
=======================================
  Files          16       16           
  Lines         983      983           
=======================================
  Hits          967      967           
  Misses         16       16           

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[coveralls]

Pull Request Test Coverage Report for Build 11263495274

Details

• 2 of 2 (100.0%) changed or added relevant lines in 2 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 98.372%

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Totals
Change from base Build 11238955293:	0.0%
Covered Lines:	967
Relevant Lines:	983

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💛 - Coveralls

[surchs]

Looks good @alyssadai, thanks for this! I cannot believe how long that issue has been open 👀

I left two 🍒 suggestions for clarity. Take a look, and then 🧑‍🍳

[neurobagel-bot]

🚀 PR was released in v0.3.0 🚀