fix(tldraw): sticky note + white pen color

[GenShibe]

🔧 What does this fix? 🔧

fixes the colors of the sticky note not being themed as well as add support for their secret white pen color

🗒 Checklist 🗒

• [x] I have read and followed Catppuccin's contributing guidelines.
• [x] I have updated the version appropriately in the ==UserStyle== header of the catppuccin.user.css file.