Rite of Returning 1.3.2

Soul Spear renderer compile fix:
- Fixed compile errors in SoulSpearItemRenderer and SoulSpearProjectileRenderer.
- Restored missing helper methods:
  getString(JsonObject, String, String)
  getDouble(JsonObject, String, double)
- Keeps Soul Spear (4)(1).bbmodel byte-for-byte and unmodified.
- Keeps pivot-preserve renderer math.
- Keeps groups-loader visibility fix.
- Keeps flat-plane / zero-area face skipping tip fix.
- Keeps projectile alignment fix.
- Keeps exact look-vector throw, mob bounce/fall behavior, ground stick exact orientation, and trident tags.
