JS: when setting a PLane from 3 points, only normalize the final cross-product
JS: when setting a PLane from 3 points, only normalize the final cross-product

Signed-off-by: Harvey Harrison <eadbd6b462bf3c97df0300a934c12bc2e5d1fe51@ausenco.com>

jaamsim/jaamsim,jaamsim/jaamsim,jaamsim/jaamsim,jaamsim/jaamsim