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
```
docBaseUrl: null,
    }
    const CMapReaderFactory = new DefaultCMapReaderFactory({
      baseUrl: CMAP_PARAMS.cMapUrl,
      isCompressed: CMAP_PARAMS.cMapPacked,
    }
    const builtInCMapCache = new Map(
    builtInCMapCache.set(
      "UniJIS-UTF16-H",
      await CMapReaderFactory.fetch({ name: "UniJIS-UTF16-H" })
    
    builtInCMapCache.set(
      "Adobe-Japan1-UCS2",
      await CMapReaderFactory.fetch({ name: "Adobe-Japan1-UCS2" })
    
    idFactoryMock = createIdFactory( 0
    partialEvaluator = new PartialEvaluator({
      xref: new XRefMock(),
      handler: new HandlerMock(),
      pageIndex: 0,
      idFactory: createIdFactory( 0),
      fontCache: new RefSetCache(),
      builtInCMapCache,
      standardFontDataCache: new Map(),
    }
  }
  afterAll(function () {
    pdfManagerMock = null;
    idFactoryMock = null;
    partialEvaluator = null;