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
```
this._readyCapability.resolve();
  }
  requestDataRange(begin, end) {
    unreachable("Abstract method PDFDataRangeTransport.requestDataRange");
  }
  abort() {}
}
/**
 * Proxy to a `PDFDocument` in the worker thread.
 */
class PDFDocumentProxy {
  constructor(pdfInfo, transport) {
    this._pdfInfo = pdfInfo;
    this._transport = transport;
    if (typeof PDFJSDev === "undefined" || PDFJSDev.test("GENERIC")) {
      Object.defineProperty(this, "fingerprint", {
        get() {
          deprecated(
            "`PDFDocumentProxy.fingerprint`, " +
              "please use `PDFDocumentProxy.fingerprints` instead."
          );
          return this.fingerprints[0];
        },
      });
    }
  }
  /**
   * @type {AnnotationStorage} Storage for annotation data in forms.
   */
  get annotationStorage() {