Fix set() to support p5.Graphics objects

[VANSH3104]

Resolves #2984

Changes:

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PR Checklist

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

[VANSH3104]

@ksen0 @davepagurek I've implemented the fix for set() to support p5.Graphics objects. The solution adds a check for Graphics instances in p5.Renderer2D.prototype.set() and uses drawImage() with the graphics canvas directly (avoiding .get() as suggested).

[VANSH3104]

@ksen0, is this change satisfactory or is there anything further that needs to be done?