- spline material can modify terrain material
- gui: labels can now auto fit text
- gui: window close button is replaced to the right side to help avoid clicking it by mistake when trying to collapse
* improving component window layouts
* sound window update
* transform window update
* editor top gui animation; delete callback for entity tree
* layer window update
* other layout changes
* grid helper ini
* don't allow negative or zero local scale
* version bump
* camera fps config check if exists