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
```
return this._transport._htmlForXfa?.children[this._pageIndex] || null;
  }
  /**
   * Begins the process of rendering a page to the desired context.
   *
   * @param {RenderParameters} params Page render parameters.
   * @returns {RenderTask} An object that contains a promise that is
   *   resolved when the page finishes rendering.
   */
  render({
    canvasContext,
    viewport,
    intent = "display",
    renderInteractiveForms = false,
    transform = null,
    imageLayer = null,
    canvasFactory = null,
    background = null,
    includeAnnotationStorage = false,
    optionalContentConfigPromise = null,
  }) {
    if (this._stats) {