Light create shadow filter=3

[lxq100]

DirectionalLight create ShadowGenerator, when filter =3, set autoCalcShadowZBounds = true.
the shadow show error

PG:https://playground.babylonjs.com/#IIZ9UU#482

[Cedric]

cc @Evgeni_Popov

[sebavan]

This is because ESM does not work with tight bounds counter intuitively