Profile setdefault to set default backup

[agoscinski]

Backup of the version feature in PR #6426 that we decided to drop since the deprecation command became deprecated.

[codecov]

Codecov Report

Attention: Patch coverage is 77.77778% with 2 lines in your changes missing coverage. Please review.

Project coverage is 73.20%. Comparing base (ef60b66) to head (4e1bf76).
Report is 112 commits behind head on main.

Files with missing lines	Patch %	Lines
src/aiida/cmdline/utils/decorators.py	77.78%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6462      +/-   ##
==========================================
- Coverage   77.51%   73.20%   -4.30%     
==========================================
  Files         560      562       +2     
  Lines       41444    41809     +365     
==========================================
- Hits        32120    30601    -1519     
- Misses       9324    11208    +1884     

Flag	Coverage Δ
presto	73.20% <77.78%> (?)

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[agoscinski]

Closing PR since it is just here to keep the code easily accessible.