v23: Customization improvements

What's Changed

• Overhaul workspace renaming UX with popup menu and keyboard shortcuts by @Copilot in #121
• Add optional window title display alongside application icons by @Copilot in #122
• Add background, theme color, and global size scale options by @Copilot in #123

New Contributors

• @Copilot made their first contribution in #121

Full Changelog: v22...v23