Small fixes and improvements

[jotare]

Description

Describe the proposed changes made in this PR.

How was this PR tested?

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.35%. Comparing base (1b0c11c) to head (723192e).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2343      +/-   ##
==========================================
- Coverage   86.48%   86.35%   -0.13%     
==========================================
  Files         369      369              
  Lines       22555    22615      +60     
==========================================
+ Hits        19507    19530      +23     
- Misses       3048     3085      +37     

Flag	Coverage Δ
nucliadb	72.98% <100.00%> (-0.12%)	⬇️
nucliadb-ingest	29.53% <100.00%> (+0.02%)	⬆️
nucliadb-reader	25.17% <100.00%> (+0.02%)	⬆️
nucliadb-standalone	47.81% <0.00%> (+0.02%)	⬆️
nucliadb-train	46.74% <100.00%> (+0.02%)	⬆️
nucliadb-writer	40.49% <100.00%> (+0.01%)	⬆️
nucliadb_dataset	60.09% <ø> (ø)
nucliadb_models	85.33% <ø> (ø)
nucliadb_sdk	77.48% <ø> (ø)
nucliadb_sidecar	94.23% <ø> (ø)
nucliadb_telemetry	86.57% <ø> (ø)
nucliadb_utils	82.81% <ø> (ø)

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