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
```
replyDict.set("RT", Name.get("R")
      replyDict.set("StateModel", "Review"
      replyDict.set("State", "Rejected"
      const xref = new XRefMock([
        { ref: annotationRef, data: annotationDict },
        { ref: replyRef, data: replyDict },
      ]
      annotationDict.assignXref(xref
      replyDict.assignXref(xref
      const { data } = await AnnotationFactory.create(
        xref,
        replyRef,
        pdfManagerMock,
        idFactoryMock
      
      expect(data.stateModel).toEqual("Review"
      expect(data.state).toEqual("Rejected"
    }
  }
  describe("LinkAnnotation", function () {
    it("should correctly parse a URI action", async function () {
      const actionDict = new Dict(
      actionDict.set("Type", Name.get("Action")
      actionDict.set("S", Name.get("URI")
      actionDict.set("URI", "http://www.ctan.org/tex-archive/info/lshort"
      const annotationDict = new Dict(
      annotationDict.set("Type", Name.get("Annot")
      annotationDict.set("Subtype", Name.get("Link")
      annotationDict.set("A", actionDict
      const annotationRef = Ref.get(820, 0