Remove get interpolation and related macros since it can be replaced by get_param().get_interpolation()
Remove fill static member since it won't be used
Remove get_param static in all layers. Temporarily disabled forbid animation for layer parameters.
Layer:use the import static macro on set param static. Now z depth and radius of circle can set static option
Layer: Add function to set static defaults. Use z depth as example.
Don`t show the Interpolation menu for Linkable value nodes. Fix the is_animated member of Value Desc
Circle layer: migration of parameters to ValueBase type