[Quick Access] Optimize extension

[koinzhang]

Description

• Refactor the code to simplify the logic and improve the performance
• Add new action to sort the pinned files
• Refactor Pin command to more easily pin files or folders
• Optimize some text and UI

Screencast

Checklist

• [x] I read the extension guidelines
• [x] I read the documentation about publishing
• [x] I ran npm run build and tested this distribution build in Raycast
• [x] I checked that files in the assets folder are used by the extension itself
• [x] I checked that assets used by the README are placed outside of the metadata folder