DOF does not work for thin instances

[avin]

here is a demo of a problem
https://playground.babylonjs.com/#8F5HYV#15

[Deltakosh]

Yes this is a problem we recently discovered

adding @Evgeni_Popov

[Evgeni_Popov]

Will be fixed by:

Fix thin instances + animated bones not rendered in the depth renderer

[avin]

PG example works fine now. Thank you very much!