Add small fixes to improve handling of batch processing

[lauraporta]

Description

What is this PR

• Bug fix
• Addition of a new feature
• Other

Why is this PR needed?
Small fixes coming from errors that emerged during batch processing.

What does this PR do?
Small names changes, paths changes and removal of redundant method.

How has this PR been tested?

Tested locally and on CIs

Is this a breaking change?

Nope

Does this PR require an update to the documentation?

Yes

Checklist:

• The code has been tested locally
• Tests have been added to cover all new functionality
• The documentation has been updated to reflect any changes
• The code has been formatted with pre-commit

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 5 lines in your changes missing coverage. Please review.

Project coverage is 44.12%. Comparing base (9b3b246) to head (993b733).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
...tation/analysis/incremental_derotation_pipeline.py	0.00%	3 Missing ⚠️
derotation/derotate_batch.py	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #46      +/-   ##
==========================================
+ Coverage   43.95%   44.12%   +0.17%     
==========================================
  Files          13       13              
  Lines        1124     1115       -9     
==========================================
- Hits          494      492       -2     
+ Misses        630      623       -7     

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