Fix chunking bug with compound dtypes

[pauladkisson]

Fixes #1122

Comapare Dev Tests after the fix: https://github.com/catalystneuro/neuroconv/actions/runs/12171065620/job/33947262987

To Dev Tests before: https://github.com/catalystneuro/neuroconv/actions/runs/12152927667/job/33890176686 (774 failed)

Edit: Still have work to do based on the errors in the new dev tests

[pauladkisson]

@rly, lmk what you think

[codecov]

Codecov Report

Attention: Patch coverage is 92.50000% with 3 lines in your changes missing coverage. Please review.

Project coverage is 89.59%. Comparing base (96dfdff) to head (72f49c0).
Report is 26 commits behind head on main.

Files with missing lines	Patch %	Lines
..._helpers/_configuration_models/_base_dataset_io.py	91.89%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1146      +/-   ##
==========================================
- Coverage   90.69%   89.59%   -1.10%     
==========================================
  Files         129      129              
  Lines        8189     8394     +205     
==========================================
+ Hits         7427     7521      +94     
- Misses        762      873     +111     

Flag	Coverage Δ
unittests	89.59% <92.50%> (-1.10%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
...roconv/tools/nwb_helpers/_dataset_configuration.py	93.67% <100.00%> (+0.16%)	⬆️
..._helpers/_configuration_models/_base_dataset_io.py	95.59% <91.89%> (-1.18%)	⬇️

... and 21 files with indirect coverage changes