make sure to update uniform state id after changing selectionColor
make sure to update uniform state id after changing selectionColor

Fixes #166.

biasmv/pv,CyrusBiotechnology/pv,biasmv/pv,biasmv/pv,biasmv/pv,CyrusBiotechnology/pv,CyrusBiotechnology/pv,CyrusBiotechnology/pv