[python] Fix 3D/4D cases with core 2.27

[johnkerl]

Issue and/or context: As tracked on issue #2407 / [sc-51048].

Note that the intended Python and R API changes are all agreed on and finalized as described in #2407.

Changes:

Fixes another core 2.27 corner case, aside from the main case on #3263.

Notes for Reviewer:

[nguyenv]

Thanks for separating it out

[codecov]

Codecov Report

Attention: Patch coverage is 90.90909% with 1 line in your changes missing coverage. Please review.

Project coverage is 83.91%. Comparing base (130ccc6) to head (7bbe40f).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3268      +/-   ##
==========================================
+ Coverage   83.79%   83.91%   +0.12%     
==========================================
  Files          51       51              
  Lines        5567     5578      +11     
==========================================
+ Hits         4665     4681      +16     
+ Misses        902      897       -5     

Flag	Coverage Δ
python	83.91% <90.90%> (+0.12%)	⬆️

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Components	Coverage Δ
python_api	83.91% <84.61%> (+0.12%)	⬆️
libtiledbsoma	∅ <ø> (∅)