Improve edge rendering quality in the docs

[adam-urbanczyk]

PR meant to improve edge rendering quality in the docs.

NB: only js files/code changed.

[codecov]

Codecov Report

Merging #920 (8a07478) into master (8d1381b) will not change coverage.
The diff coverage is n/a.

❗ Current head 8a07478 differs from pull request most recent head 08228df. Consider uploading reports for the commit 08228df to get more accurate results

@@           Coverage Diff           @@
##           master     #920   +/-   ##
=======================================
  Coverage   96.11%   96.11%           
=======================================
  Files          39       39           
  Lines        9130     9130           
  Branches     1017     1017           
=======================================
  Hits         8775     8775           
  Misses        206      206           
  Partials      149      149           

Impacted Files	Coverage Δ
cadquery/occ_impl/jupyter_tools.py	100.00% <ø> (ø)

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[marcus7070]

Very nice, thanks @adam-urbanczyk.

Previous:

After this PR:

What was the change to vtk.js? I can't tell from just the commit/diff. We should add that information to the commit message when merging.

[jmwright]

Thanks @adam-urbanczyk !

[adam-urbanczyk]

@marcus7070 some background: https://discourse.vtk.org/t/edge-rendering-issues/7175/5