Proxy Fitting bug

[animate1978]

Describe the bug
This bug is calling for

algorithms.closest_point_on_triangle(vert_co, coords[0], coords[1], coords[2]),

Which does not exist?

To Reproduce
Steps to reproduce the behavior:

1. Create and finalize character
2. Add an asset to the scene
3. Go to Proxy Fitting tools
4. Click Fit Proxy

Expected behavior
With this new "feature" this is supposed to help with very tight mesh.

Screenshots

Additional context

Weird thing is that it's supposed to be there according to this commit -

fe74931

I am not sure when something changed...

Logs
`Traceback (most recent call last):
File "/home/farishta/.config/blender/2.81/scripts/addons/MB-Lab/init.py", line 1661, in execute
smoothing = not (advanced and scn.mblab_proxy_no_smoothing),
File "/home/farishta/.config/blender/2.81/scripts/addons/MB-Lab/proxyengine.py", line 449, in fit_proxy_object
self.fit_near_vertices(proxy,from_body,proxy_shapekey,to_body,proxy_threshold,all_faces)
File "/home/farishta/.config/blender/2.81/scripts/addons/MB-Lab/proxyengine.py", line 365, in fit_near_vertices
algorithms.closest_point_on_triangle(vert_co, coords[0], coords[1], coords[2]),
AttributeError: module 'MB-Lab.algorithms' has no attribute 'closest_point_on_triangle'

location: :-1

location: :-1

`