Fix remaining TypeScript errors for multiple panels support
- Updated devtools-indicator.tsx to use panels Set and togglePanel
- Updated next-logo.tsx to use panels.has() and closeAllPanels
- Updated dev-overlay-menu.tsx to use closePanel for escape/outside clicks
- All components now properly use the new panel management API
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
