[bug] Rendering multi-colored striped wires has changed in dev due to merging an unfinished PR

[kvid]

Bugs:

• Two-colored wires are only rendered with two colors, not with the first color repeated after the second color, as before.
• Single-colored wires in the same harness as multi-colored wires are not expanded to equalize the wire thickness, as before.

A fix is described in my change request #147 (comment) (acknowledged with 👍 by @formatc1702) of the last PR review before merging, but implementing the fix was probably forgotten before the merge.

See also dev branch commit history.