#408 fix(desktop): fix sidebar and carousel bottom overflow

Summary

• Add proper height constraints to WorkspaceView layout to prevent sidebar content and carousel navigation from overflowing their container bounds

Test plan

• Open desktop app with sidebar visible
• Verify carousel navigation buttons stay visible at bottom
• Verify sidebar content doesn't overflow outside panel bounds

🤖 Generated with Claude Code

Summary by CodeRabbit

• Bug Fixes
  • Fixed workspace view layout to properly utilize full vertical space and maintain correct flex container behavior for better visual presentation.

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