Some code errors about the color of visualization

[TOMyanger]

code errors in utils.semkitti_vis.laserscan.py

RandLA-Net-pytorch/utils/semkitti_vis/laserscan.py

Line 254 in 75adeac

def colorize(self):

This code actually uses the predicted label number as the color number, so although the color configuration file in semantic kitti is changed, the color is still incorrect.