feat(ffi): Add NotificationSettings::get_raw_push_rules

[jmartinesp]

This allows clients to get the raw push rules so they can be added to bug reports if needed.

• Public API changes documented in changelogs (optional)

Signed-off-by:

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.36%. Comparing base (e71d565) to head (46d0401).
⚠️ Report is 46 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5706      +/-   ##
==========================================
- Coverage   88.37%   88.36%   -0.01%     
==========================================
  Files         357      357              
  Lines       98645    98844     +199     
  Branches    98645    98844     +199     
==========================================
+ Hits        87178    87346     +168     
- Misses       7334     7362      +28     
- Partials     4133     4136       +3     

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[codspeed-hq]

CodSpeed Performance Report

Merging #5706 will not alter performance

_{Comparing feat/ffi-add-account-get-raw-push-rules (46d0401) with main (290f27a)}

Summary

✅ 50 untouched