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(markupAnnotation.creationDate).toEqual(null
    }
    it("should not parse IRT/RT when not defined", async function () {
      dict.set("Type", Name.get("Annot")
      dict.set("Subtype", Name.get("Text")
      const xref = new XRefMock([{ ref, data: dict }]
      const { data } = await AnnotationFactory.create(
        xref,
        ref,
        pdfManagerMock,
        idFactoryMock
      
      expect(data.inReplyTo).toBeUndefined(
      expect(data.replyType).toBeUndefined(
    }
    it("should parse IRT and set default RT when not defined", async function () {
      const annotationRef = Ref.get(819, 0
      const annotationDict = new Dict(
      annotationDict.set("Type", Name.get("Annot")
      annotationDict.set("Subtype", Name.get("Text")
      const replyRef = Ref.get(820, 0
      const replyDict = new Dict(
      replyDict.set("Type", Name.get("Annot")
      replyDict.set("Subtype", Name.get("Text")
      replyDict.set("IRT", annotationRef
      const xref = new XRefMock([
        { ref: annotationRef, data: annotationDict },
        { ref: replyRef, data: replyDict },
      ]
      annotationDict.assignXref(xref