[EPIC] Refactor: Message Synchronization

[kewisch]

🎯The objective

The goal of this project is to automatically fetch messages from the server when the user expects this to happen.

• When opening a folder for viewing
• When scrolling down the message list and reaching the end of the downloaded messages

🎒Resources

ℹ️ List all relevant resources like BugZilla meta bugs, Figma files, Notion links and other files.

🦮Rules of the Road

🟢In Scope

• Find and implement synchronization related quick wins that would increase perception of stability for users
• Revise internal database to make it easier (TBD define) to synchronize messages with the remote server
  • Consider alignment with iOS database
  • Consider encryption and data safety
• TODO

🔴Out of Scope

Engineering Tasks