Rite of Returning 1.3.0

Soul Spear model swap:
- Replaced Soul Spear with the uploaded Soul Spear (4)(1).bbmodel.
- 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 embedded texture from Soul Spear (4)(1).bbmodel.
- Kept groups-loader visibility fix.
- Kept flat-plane / zero-area face skipping tip fix.
- Kept projectile model alignment fix.
- Kept exact look-vector throw.
- Kept mob bounce/fall behavior.
- Kept ground stick exact orientation.
- Kept trident tags.
