fix(syntax): prevent clipping with syntax + padding

[arkuhn]

Reduce render width by padding to keep wrapped lines within console width/prevent clipping.

Type of changes

• Bug fix
• New feature
• Documentation / docstrings
• Tests
• Other

Checklist

• I've run the latest black with default args on new code.
• I've updated CHANGELOG.md and CONTRIBUTORS.md where appropriate.
• I've added tests for new code.
• I accept that @willmcgugan may be pedantic in the code review.

Description

Please describe your changes here. If this fixes a bug, please link to the issue, if possible.

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.88%. Comparing base (225cb07) to head (69f7c8a).
Report is 77 commits behind head on master.

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Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3770      +/-   ##
==========================================
- Coverage   98.24%   97.88%   -0.37%     
==========================================
  Files          74       74              
  Lines        8105     8137      +32     
==========================================
+ Hits         7963     7965       +2     
- Misses        142      172      +30     

Flag	Coverage Δ
unittests	97.88% <100.00%> (-0.37%)	⬇️

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[willmcgugan]

Thanks for the PR! I've gone with a slightly different approach in #3782