feat: use Control and logical size APIs for replicas

Summary:
Use the new Control API to load and save output replica information and the
logical size API in libkscreen to send the data to the windowing system.

Test Plan: Tested on Wayland in a two output configuration.

Reviewers: #kwin

Subscribers: plasma-devel

Tags: #plasma

Maniphest Tasks: T11222

Differential Revision: https://phabricator.kde.org/D26310