Fix mass vector_origin replacement bug (#1733) * Fix mass vector_origin replacement bug Caused by garrysmod/commit/b9839ed24e7952fd6af1049cedd887f01c6358b1#diff-5dec0ab92ef177ebb4780d5ee7fd4cddb6b4701902f4496738d4c7b51cd4d69cR136 * Update gmod_hoverball.lua Co-authored-by: Rubat <robotboy655@facepunchstudios.com>