Dashed and dotted lines appear solid at high stroke-width

[septatrix]

Describe the bug

When drawing a dashed or dotted line with high pen width the line appears continuous as the dash gap is smaller than the width of the line

Reproduction

Select dotted style + high pen width on playground and draw a line

System Info

System:
    OS: Linux 6.12 Fedora Linux 41 (KDE Plasma)
    CPU: (16) x64 AMD Ryzen 7 7840U w/ Radeon  780M Graphics
    Memory: 22.89 GB / 30.65 GB
    Container: Yes
    Shell: 4.0 - /usr/bin/fish
  Binaries:
    Node: 22.11.0 - /usr/bin/node
    npm: 10.9.0 - /usr/bin/npm
    pnpm: 9.13.0 - /usr/bin/pnpm

Browsers: Firefox 135.0.1

Used Package Manager

n/a

Validations

• Follow our Code of Conduct
• Read the Contributing Guide.
• Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• Check that this is a concrete bug. For Q&A, please open a GitHub Discussion instead.
• The provided reproduction is a minimal reproducible of the bug.

Contributions

• I am willing to submit a PR to fix this issue
• I am willing to submit a PR with failing tests (actually just go ahead and do it, thanks!)