Better Questing

Fixed repeatable quest timers going into negatives due to scheduling order error

Fixed some fluids rendered in GUIs not using their mod assigned colours

Fixed sliced textures crashing when then inner portion is zero sized

Fixed item editor not remembering the last ore dictionary value

Fixed the hardcore command not saving the changed state

Fixed errors in the entity selection GUI not being caught

Backported support for quest line icons

Backported support for quest line visibility options