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(borderStyleFive.width).toEqual(0
    }
    it("should set and get a valid style", function () {
      const borderStyle = new AnnotationBorderStyle(
      borderStyle.setStyle(Name.get("D")
      expect(borderStyle.style).toEqual(AnnotationBorderStyleType.DASHED
    }
    it("should not set and get an invalid style", function () {
      const borderStyle = new AnnotationBorderStyle(
      borderStyle.setStyle("Dashed"
      expect(borderStyle.style).toEqual(AnnotationBorderStyleType.SOLID
    }
    it("should set and get a valid dash array", function () {
      const borderStyle = new AnnotationBorderStyle(
      borderStyle.setDashArray([1, 2, 3]
      expect(borderStyle.dashArray).toEqual([1, 2, 3]
    }
    it("should not set and get an invalid dash array", function () {
      const borderStyle = new AnnotationBorderStyle(
      borderStyle.setDashArray([0, 0]
      expect(borderStyle.dashArray).toEqual([3]
    }
    it("should set and get a valid horizontal corner radius", function () {
      const borderStyle = new AnnotationBorderStyle(
      borderStyle.setHorizontalCornerRadius(3
      expect(borderStyle.horizontalCornerRadius).toEqual(3
    }
    it("should not set and get an invalid horizontal corner radius", function () {
      const borderStyle = new AnnotationBorderStyle(
      borderStyle.setHorizontalCornerRadius("three"