Fix table_name

[LucaMarconato]

There was a hard-coded "table" in the internal APIs used by render_shapes().

[LucaMarconato]

Fixed. I also fixed one the type argument of 2 adata parameters, where AnnData | None was the correct type, but only AnnData was listed.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 84.42%. Comparing base (c9bae23) to head (b2817ea).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #504   +/-   ##
=======================================
  Coverage   84.42%   84.42%           
=======================================
  Files           8        8           
  Lines        2131     2131           
=======================================
  Hits         1799     1799           
  Misses        332      332           

Files with missing lines	Coverage Δ
src/spatialdata_plot/pl/utils.py	80.19% <ø> (ø)

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