[core] fixed rigid serialization (vec6/vec7 style)
[core] fixed rigid serialization (vec6/vec7 style)

Anatoscope/sofa,Anatoscope/sofa,Anatoscope/sofa,Anatoscope/sofa,Anatoscope/sofa,Anatoscope/sofa,Anatoscope/sofa,Anatoscope/sofa,Anatoscope/sofa