Rite of Returning 1.2.7

Soul Spear model update:
- Replaced Soul Spear with the new uploaded Soul Spear (3).bbmodel.
- The model is copied byte-for-byte and is not modified.
- Held model uses:
  assets/riteofreturning/models/item/soul_spear.bbmodel
- Projectile model uses:
  assets/riteofreturning/models/entity/soul_spear_projectile.bbmodel
- Extracted the embedded texture from Soul Spear (3).bbmodel.
- Kept the 1.2.6 groups-loader visibility fix.
- Kept the all-faces renderer path that made the spear visible.
- Kept exact look-vector throw.
- Kept mob bounce, ground fall, and ground-stick orientation.
- Kept trident tags.
