Configuration:
- PDF.js version: 2.0.550

Steps to reproduce the problem:
1. Render document in SVG mode `renderMode="svg"`

What is the expected behavior? (add screenshot)
Rendering annotations same way as they rendered on canvas

What went wrong? (add screenshot)
```
Warning: Unimplemented operator beginAnnotations
Warning: Unimplemented operator endAnnotations
```
expect(annotation.color).toEqual(new Uint8ClampedArray([0, 0, 255])
    }
    it("should set and get a CMYK color", function () {
      const annotation = new Annotation({ dict, ref }
      annotation.setColor([0.1, 0.92, 0.84, 0.02]
      expect(annotation.color).toEqual(new Uint8ClampedArray([234, 59, 48])
    }
    it("should not set and get an invalid color", function () {
      const annotation = new Annotation({ dict, ref }
      annotation.setColor([0.4, 0.6]
      expect(annotation.color).toEqual(new Uint8ClampedArray([0, 0, 0])
    }
  }
  describe("AnnotationBorderStyle", function () {
    it("should set and get a valid width", function () {
      const borderStyle = new AnnotationBorderStyle(
      borderStyle.setWidth(3
      expect(borderStyle.width).toEqual(3
    }
    it("should not set and get an invalid width", function () {
      const borderStyle = new AnnotationBorderStyle(
      borderStyle.setWidth("three"
      expect(borderStyle.width).toEqual(1
    }
    it("should set the width to zero, when the input is a `Name` (issue 10385)", function () {
      const borderStyleZero = new AnnotationBorderStyle(
      borderStyleZero.setWidth(Name.get("0")
      const borderStyleFive = new AnnotationBorderStyle(
      borderStyleFive.setWidth(Name.get("5")
      expect(borderStyleZero.width).toEqual(0