Transformations are applied before rendering with datashader

[Sonja-Stockhaus]

Fixes #337

[Sonja-Stockhaus]

Todo: similar for rendering of shapes with datashader

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 80.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 83.38%. Comparing base (bc2db2c) to head (b3f5e45).

Files with missing lines	Patch %	Lines
src/spatialdata_plot/pl/render.py	80.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #378      +/-   ##
==========================================
+ Coverage   83.36%   83.38%   +0.02%     
==========================================
  Files           8        8              
  Lines        1653     1655       +2     
==========================================
+ Hits         1378     1380       +2     
  Misses        275      275              

Files with missing lines	Coverage Δ
src/spatialdata_plot/pl/render.py	90.30% <80.00%> (+0.05%)	⬆️