Fix poly Circle & Rect stroke

[ffreyer]

Description

The breaking pr changed poly(Circle(...)) to use the Circle wireframe for stroke, which this pr fixes.

It also changes (fixes?) Rect2 stroke to be continuous, i.e. avoid corners like this:

Also extends a refimg test to test these things

Type of change

Delete options that do not apply:

• Bug fix (non-breaking change which fixes an issue)

Checklist

• Added an entry in CHANGELOG.md (for new features and breaking changes)
• Added reference image tests for new plotting functions, recipes, visual options, etc.

[MakieBot]

Benchmark Results

SHA: b77303ddb8fc2b991a2fc893fa967a1eba657484

Warning

These results are subject to substantial noise because GitHub's CI runs on shared machines that are not ideally suited for benchmarking.

[ffreyer]

It also changes (fixes?) Rect2 stroke to be continuous, i.e. avoid corners like this:

This is causing "poly stroke & array input" and "Axis3 viewmodes, xreversed, aspect, perspectivenes" to fail. This is also a real change from 0.21, so this pr should get a changelog entry