Add padding to the side-by-side diff so the scroll bar doesn't cover …

[frankdekker]

…the code

[Copilot]

Pull Request Overview

This PR adds padding to the bottom of side-by-side diff blocks to prevent the scroll bar from covering the code content.

Key Changes

• Adds 10px bottom padding to diff blocks in side-by-side view

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.98%. Comparing base (2b5c034) to head (860df0e).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##             master    #1209   +/-   ##
=========================================
  Coverage     99.98%   99.98%           
  Complexity     3348     3348           
=========================================
  Files           582      582           
  Lines          9932     9932           
=========================================
  Hits           9931     9931           
  Misses            1        1           

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