glTF: camera movement constraint: use distance from the boundary box
glTF: camera movement constraint: use distance from the boundary box

... instead of distance from model center position.

Change-Id: I379ab5e32cc5009d0eb751c4808fecf0109d1e5a

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core