Fix JSDoc typos:widhts->widths,coordiante->coordinate

[harshiltewari2004]

Resolves #8744

Changes

Fixed three JSDoc/comment typos. No behavior changes — comment-only edits.

• src/core/helpers.js (line 19): widhts → widths
• src/webgl/p5.RendererGL.js (lines 323–324): coordiante → coordinate (two occurrences in the JSDoc for @param x and @param y)

Screenshots of the change

N/A — comment-only change, no visual impact.

PR Checklist

• npm run lint passes
• Inline reference is included / updated
• Unit tests are included / updated

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