Small patch fixing some issues

Hi everyone,

Just a quick patch to fix some issues for a smoother gameplay.

Patch notes:

- Changed how camera movement works
- Added WASD camera movement
- Added an option to enable/disable edge scrolling
- Fixed a bug where you could start building with using some keybinds unintentionally
- Fixed building upgrade window to show research requirements properly
- Updated seeker selection UI to show a better description for their current action

Just a quick patch to fix some issues players have been having, big update still coming :P