[FIX] rename results of each contrasts

[Remi-Gau]

fixes #1103
fixes #618
fixes #646

[codecov]

Codecov Report

Merging #1104 (4b061e8) into main (28f3898) will decrease coverage by 40.42%.
The diff coverage is n/a.

❗ Current head 4b061e8 differs from pull request most recent head b808e8a. Consider uploading reports for the commit b808e8a to get more accurate results

@@             Coverage Diff             @@
##             main    #1104       +/-   ##
===========================================
- Coverage   79.41%   38.99%   -40.42%     
===========================================
  Files         264        4      -260     
  Lines        7029      259     -6770     
  Branches       40       40               
===========================================
- Hits         5582      101     -5481     
+ Misses       1431      142     -1289     
  Partials       16       16               

Flag	Coverage Δ
cli	38.99% <ø> (ø)
ubuntu-latest_matlab-R2022b	?

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