fix some vedo function calls still using lowerCamelCase instead of snake_case

[carlocastoldi]

6a7ca30 should have probably updated centerOfMass to center_of_mass in the whitelisted attributes of Actor.__getattr__()

[codecov]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (3dfb742) 86.23% compared to head (8f0bec7) 86.39%.
Report is 3 commits behind head on main.

Files	Patch %	Lines
brainrender/scene.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #304      +/-   ##
==========================================
+ Coverage   86.23%   86.39%   +0.16%     
==========================================
  Files          26       26              
  Lines        1213     1213              
==========================================
+ Hits         1046     1048       +2     
+ Misses        167      165       -2     

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[adamltyson]

Looks good, thanks both!