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
```
{ x: 10, y: 10 },
          { x: 20, y: 10 },
        ],
      ]
    }
  }
  describe("SquigglyAnnotation", function () {
    it("should set quadpoints to null if not defined", async function () {
      const squigglyDict = new Dict(
      squigglyDict.set("Type", Name.get("Annot")
      squigglyDict.set("Subtype", Name.get("Squiggly")
      const squigglyRef = Ref.get(121, 0
      const xref = new XRefMock([{ ref: squigglyRef, data: squigglyDict }]
      const { data } = await AnnotationFactory.create(
        xref,
        squigglyRef,
        pdfManagerMock,
        idFactoryMock
      
      expect(data.annotationType).toEqual(AnnotationType.SQUIGGLY
      expect(data.quadPoints).toEqual(null
    }
    it("should set quadpoints if defined", async function () {
      const squigglyDict = new Dict(
      squigglyDict.set("Type", Name.get("Annot")
      squigglyDict.set("Subtype", Name.get("Squiggly")
      squigglyDict.set("Rect", [10, 10, 20, 20]
      squigglyDict.set("QuadPoints", [10, 20, 20, 20, 10, 10, 20, 10]
      const squigglyRef = Ref.get(121, 0
      const xref = new XRefMock([{ ref: squigglyRef, data: squigglyDict }]