fix: Prevent opacity from clipping the node bounds

[marc2332]

Closes #762

[marc2332]

idea: Prepare shadows, adjust node bounds with the shadows bounds and then apply the opacity on the adjusted bounds

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 25 lines in your changes missing coverage. Please review.

Project coverage is 73.74%. Comparing base (1cfd863) to head (c1f57c9).

Files	Patch %	Lines
crates/renderer/src/app.rs	0.00%	16 Missing ⚠️
crates/core/src/skia/skia_renderer.rs	0.00%	8 Missing ⚠️
crates/testing/src/test_handler.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #764      +/-   ##
==========================================
- Coverage   73.81%   73.74%   -0.08%     
==========================================
  Files         200      200              
  Lines       20955    20975      +20     
==========================================
  Hits        15468    15468              
- Misses       5487     5507      +20     

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