SceneInspector : Fix transform decomposition
SceneInspector : Fix transform decomposition

This was broken by the move to the imath module.

ImageEngine/gaffer,andrewkaufman/gaffer,appleseedhq/gaffer,appleseedhq/gaffer,lucienfostier/gaffer,ivanimanishi/gaffer,boberfly/gaffer,GafferHQ/gaffer,hradec/gaffer,ImageEngine/gaffer,GafferHQ/gaffer,ImageEngine/gaffer,andrewkaufman/gaffer,lucienfostier/gaffer,ivanimanishi/gaffer,ivanimanishi/gaffer,lucienfostier/gaffer,GafferHQ/gaffer,hradec/gaffer,boberfly/gaffer,johnhaddon/gaffer,johnhaddon/gaffer,johnhaddon/gaffer,GafferHQ/gaffer,appleseedhq/gaffer,lucienfostier/gaffer,andrewkaufman/gaffer,hradec/gaffer,ImageEngine/gaffer,andrewkaufman/gaffer,andrewkaufman/gaffer,johnhaddon/gaffer,boberfly/gaffer,GafferHQ/gaffer,hradec/gaffer,ivanimanishi/gaffer,boberfly/gaffer,hradec/gaffer,johnhaddon/gaffer,appleseedhq/gaffer