Coop
Fix: ports not correctly synced, player could attach new cable to same port, could not remove existing cables added by second player and could take out device even cabled.

Fix: Sync rack removal, patch panel removal

Fix: Auto-saves for coop are separated from single player Auto-saves

Fix: custom colors were lost when other player picked the object

Improved: Player trolley synced visually, including items on the trolley, each player have their own.