#384 fix(desktop): align FileItem filename to start

Summary

• Adds text-start class to FileItem filename span to align text to start instead of center

Test plan

• Open the Changes view in the desktop app
• Verify file names are aligned to the start

🤖 Generated with Claude Code

Summary by CodeRabbit

• Style
  • Improved text alignment of filenames in the changes view sidebar for better visual consistency.

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