Add comparison details to PyCharm reporter for failed scenarios

[tsv1]

Adds an optional show_comparison parameter to the PyCharm reporter, providing an “expected vs. actual” diff for failed assertions. When enabled, PyCharm displays a “Compare” view in the test runner.

[codecov]

Codecov Report

Attention: Patch coverage is 65.00000% with 7 lines in your changes missing coverage. Please review.

Project coverage is 90.79%. Comparing base (72c70a1) to head (d60b761).

Files with missing lines	Patch %	Lines
...edro/plugins/director/pycharm/_pycharm_reporter.py	65.00%	5 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #121      +/-   ##
==========================================
- Coverage   90.90%   90.79%   -0.11%     
==========================================
  Files         170      170              
  Lines        4914     4934      +20     
  Branches      706      711       +5     
==========================================
+ Hits         4467     4480      +13     
- Misses        387      392       +5     
- Partials       60       62       +2     

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