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
```
getQuadPoints,
  MarkupAnnotation,
} from "../../src/core/annotation.js";
import {
  AnnotationBorderStyleType,
  AnnotationFieldFlag,
  AnnotationFlag,
  AnnotationType,
  OPS,
  stringToBytes,
  stringToUTF8String,
} from "../../src/shared/util.js";
import {
  CMAP_PARAMS,
  createIdFactory,
  STANDARD_FONT_DATA_URL,
  XRefMock,
} from "./test_utils.js";
import {
  DefaultCMapReaderFactory,
  DefaultStandardFontDataFactory,
} from "../../src/display/api.js";
import { Dict, Name, Ref, RefSetCache } from "../../src/core/primitives.js";
import { Lexer, Parser } from "../../src/core/parser.js";
import { PartialEvaluator } from "../../src/core/evaluator.js";
import { StringStream } from "../../src/core/stream.js";
import { WorkerTask } from "../../src/core/worker.js";
describe("annotation", function () {
  class PDFManagerMock {
    constructor(params) {