Hotfix 0.9.9.9.9

Fixed crash because of missing check in the boss summoning system.
Fixed hang when overflowing some text fields like pet name and make sure the text field is not deactivated when moving the mouse away from it.
Fixed crash caused by invalid memory access in netcode.
Fixed authentication error due to Steam authentication ticket being invalidated prematurely.
Fixed map not showing anything on some systems.
Added a prompt to disable crossplay when some common errors are detected.