Fix spot light range cutoff when using shadows

[tomas7770]

Description

Fixes spot lights being "cut" before the maximum range is reached, when shadows are used on a spot light with global scale lower than 1.

Checklist

• Self-review changes.
• Evaluate impact on the documentation.
• Ensure test coverage.
• Write new samples.
• Add entry to the changelog's unreleased section.

[github-actions]

PR Preview Action v1.4.7
🚀 Deployed preview to https://GameDevTecnico.github.io/cubos/preview/pr-1313/
on branch gh-pages at 2024-09-14 21:12 UTC

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 6 lines in your changes missing coverage. Please review.

Project coverage is 35.89%. Comparing base (eb8671a) to head (1536ca6).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
engine/src/render/deferred_shading/plugin.cpp	0.00%	3 Missing ⚠️
...gine/src/render/shadow_atlas_rasterizer/plugin.cpp	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1313      +/-   ##
==========================================
- Coverage   35.90%   35.89%   -0.01%     
==========================================
  Files         399      399              
  Lines       31917    31920       +3     
==========================================
- Hits        11459    11458       -1     
- Misses      20458    20462       +4     

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[RiscadoA]

Good catch! LGTM!