Added methods to expand and collapse CompoundParameterUIs.
Added methods to expand and collapse CompoundParameterUIs.

AlanZatarain/cortex-vfx,Alwnikrotikz/cortex-vfx,AlanZatarain/cortex-vfx,tectronics/cortex-vfx,AlanZatarain/cortex-vfx,tectronics/cortex-vfx,Alwnikrotikz/cortex-vfx,tectronics/cortex-vfx,Alwnikrotikz/cortex-vfx