Update #2

Fixed a few situations, where the game could get stuck on a black screen.
Fixed a bug where the player could undo the AI's moves.
Fixed some missing text.
Fixed some events and triggers after undoing moves.
Added a confirmation window when attempting to erase game progress.
Fixed having to RMB on a player after undoing a move to select him again.
Fixed a bug, where a player with a high speed could move two times if his turn ended on passing the ball to the opponent.
Fixed a issue causing the end turn window to be transparent.
FIxed a issue with the cursor getting stuck when colliding with some objects.
Fixed a issue where a newly loaded scene would pause for a few seconds.
Fixed skill cooldown reset when restarting the game from the centre of the field.