st3m: use ctx hairline renderer for scope

A 1px wide stroke for the scope does not look as sharp as the default line width, but on top of !583 (merged) it is faster and we can render all samples without decimation.

added 15 commits

• ace00b26...a6bde3c7 - 14 commits from branch main
• 6321dd76 - st3m: use ctx hairline renderer for scope

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nice

added 109 commits

• 6321dd76...dc6c121b - 108 commits from branch main
• dc3d1c7b - st3m: use ctx hairline renderer for scope

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enabled an automatic merge when the pipeline for dc3d1c7b succeeds

merged