move default fileType to top of 'loadModel' and assign if fileType given
move default fileType to top of 'loadModel' and assign if fileType given

limzykenneth/p5.js,mlarghydracept/p5.js,mlarghydracept/p5.js,limzykenneth/p5.js,processing/p5.js,processing/p5.js,dhowe/p5.js,dhowe/p5.js