Demo bugfix update

The demo build has been updated, with several bugfixes. [list] [*] Fixed a bug that made it possible to assign workers to buildings before they were built [*] Fixed a bug that prevented quests from being updated while the game was paused [*] Updated a text in the quest popup that directed users to a non-existant tab in the Settlement-overview [*] Fixed a bug that caused the Steam overlay to appear upside down when in-game [*] Fixed a bug the made OBS streams appear upside down in some cases [/list] Thank you to everyone who's using the "Send feedback" function in the game to send us bug reports and updates!