extend _findFromPoint to support Vertex

[adam-urbanczyk]

Fixes #1845

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 95.66%. Comparing base (f754469) to head (5bac2a1).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
cadquery/cq.py	50.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1853   +/-   ##
=======================================
  Coverage   95.66%   95.66%           
=======================================
  Files          28       28           
  Lines        7431     7433    +2     
  Branches     1122     1123    +1     
=======================================
+ Hits         7109     7111    +2     
  Misses        193      193           
  Partials      129      129           

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[jmwright]

@adam-urbanczyk Do you want to try to include this PR in the June release too?

[adam-urbanczyk]

I think so. I'll just add a test and it should be good to go.