fix: initial black color string should be #000000 rather than #000

[Brooooooklyn]

per w3c specs

[Brooooooklyn]

• fix: initial black color string should be #000000 rather than #000 #1174 👈 (View in Graphite)
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[Copilot]

Pull request overview

This pull request updates the default black color string representation from the short 3-digit hex format #000 to the full 6-digit W3C-compliant format #000000. This change ensures consistency with W3C specifications for CSS color values and aligns with existing practices in other parts of the codebase (e.g., src/ctx.rs and src/state.rs already use #000000).

• Updates default Pattern color string to use #000000
• Updates CanvasElement fillStyle and strokeStyle initialization to use #000000
• Updates SVGCanvas fillStyle and strokeStyle initialization to use #000000

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
src/pattern.rs	Updates the Default implementation for Pattern to use #000000 instead of #000 for the color string representation
src/lib.rs	Updates CanvasElement and SVGCanvas initialization to set fillStyle and strokeStyle hidden properties to #000000 instead of #000

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[yisibl]

https://html.spec.whatwg.org/multipage/canvas.html#canvasfillstrokestyles

interface mixin CanvasFillStrokeStyles {
  // colors and styles (see also the CanvasPathDrawingStyles and CanvasTextDrawingStyles interfaces)
  attribute (DOMString or CanvasGradient or CanvasPattern) strokeStyle; // (default black)
  attribute (DOMString or CanvasGradient or CanvasPattern) fillStyle; // (default black)
  CanvasGradient createLinearGradient(double x0, double y0, double x1, double y1);
  CanvasGradient createRadialGradient(double x0, double y0, double r0, double x1, double y1, double r1);
  CanvasGradient createConicGradient(double startAngle, double x, double y);
  CanvasPattern? createPattern(CanvasImageSource image, [LegacyNullToEmptyString] DOMString repetition);

};

[Brooooooklyn]