fix: render objects not rendering text

[Kirpal]

Description

Fixes issue on Flutter 3.13 where text drawn by a render object widget was not rendering correctly. Fixes #97

Type of Change

• ✨ New feature (non-breaking change which adds functionality)
• 🛠️ Bug fix (non-breaking change which fixes an issue)
• ❌ Breaking change (fix or feature that would cause existing functionality to change)
• 🧹 Code refactor
• ✅ Build configuration change
• 📝 Documentation
• 🗑️ Chore

[codecov]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (0a8b653) 100.00% compared to head (7feac64) 100.00%.
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main       #98   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           13        13           
  Lines          559       562    +3     
=========================================
+ Hits           559       562    +3     

Files Changed	Coverage Δ
lib/src/blocked_text_image.dart	100.00% <100.00%> (ø)
lib/src/golden_test_adapter.dart	100.00% <100.00%> (ø)
lib/src/golden_test_runner.dart	100.00% <100.00%> (ø)

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[marcossevilla]

lgtm 👍

[jeroen-meijer]

Nice job!