Replace socket-based Client->File Provider Extension communication with in-built File Provider XPC

[claucambra]

How to use GitHub

• Please use the 👍 reaction to show that you want to have the same feature implemented.
• Please don't comment if you have no relevant information to add. It's just extra noise for everyone subscribed to this issue.
• Subscribe to receive notifications on status change and new comments.

Feature description

Unfortunately our socket implementation at the moment treats the client-side as a communication receiver and the file provider extensions and senders. We initiate communication from the extension side and cannot do it the other way around

A better solution all around is to use the FIle provider's officially supported XPC based connection method to communicate between the extensions and the client