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
```
xref,
        lineRef,
        pdfManagerMock,
        idFactoryMock
      
      expect(data.annotationType).toEqual(AnnotationType.LINE
      expect(data.lineCoordinates).toEqual([1, 2, 3, 4]
    }
  }
  describe("FileAttachmentAnnotation", function () {
    it("should correctly parse a file attachment", async function () {
      const fileStream = new StringStream(
        "<<\n" +
          "/Type /EmbeddedFile\n" +
          "/Subtype /text#2Fplain\n" +
          ">>\n" +
          "stream\n" +
          "Test attachment" +
          "endstream\n"
      
      const parser = new Parser({
        lexer: new Lexer(fileStream),
        xref: null,
        allowStreams: true,
      }
      const fileStreamRef = Ref.get(18, 0
      const fileStreamDict = parser.getObj(
      const embeddedFileDict = new Dict(
      embeddedFileDict.set("F", fileStreamRef
      const fileSpecRef = Ref.get(19, 0