fix(conflict-picker): pass correct props to component

[susnux]

The component expects incoming and existing arrays, so the openConflictDialog has to pass them correctly.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 6 lines in your changes missing coverage. Please review.
✅ Project coverage is 45.43%. Comparing base (f6b4bbf) to head (5dbe1db).
⚠️ Report is 39 commits behind head on main.

Files with missing lines	Patch %	Lines
lib/conflict-picker.ts	0.00%	5 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2159      +/-   ##
==========================================
- Coverage   45.85%   45.43%   -0.42%     
==========================================
  Files          15       15              
  Lines         434      438       +4     
  Branches       84       85       +1     
==========================================
  Hits          199      199              
- Misses        207      210       +3     
- Partials       28       29       +1     

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