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
```
"/Tx BMC q BT /Goth 5 Tf 1 0 0 1 0 10 Tm " +
          "2.00 -5.00 Td (\x30\x53\x30\x93\x30\x6b\x30\x61\x30\x6f) Tj\n" +
          "0.00 -5.00 Td (\x4e\x16\x75\x4c\x30\x6e) Tj ET Q EMC"
      
    }
    it("should render multiline text with various EOL for printing", async function () {
      textWidgetDict.set("Ff", AnnotationFieldFlag.MULTILINE
      textWidgetDict.set("Rect", [0, 0, 128, 10]
      const textWidgetRef = Ref.get(271, 0
      const xref = new XRefMock([
        { ref: textWidgetRef, data: textWidgetDict },
        helvRefObj,
      ]
      const task = new WorkerTask("test print"
      partialEvaluator.xref = xref;
      const expectedAppearance =
        "/Tx BMC q BT /Helv 5 Tf 1 0 0 1 0 10 Tm " +
        "2.00 -5.00 Td " +
        "(Lorem ipsum dolor sit amet, consectetur adipiscing elit.) Tj\n" +
        "0.00 -5.00 Td " +
        "(Aliquam vitae felis ac lectus bibendum ultricies quis non) Tj\n" +
        "0.00 -5.00 Td " +
        "( diam.) Tj\n" +
        "0.00 -5.00 Td " +
        "(Morbi id porttitor quam, a iaculis dui.) Tj\n" +
        "0.00 -5.00 Td " +
        "(Pellentesque habitant morbi tristique senectus et netus ) Tj\n" +
        "0.00 -5.00 Td " +
        "(et malesuada fames ac turpis egestas.) Tj\n" +
        "0.00 -5.00 Td () Tj\n" +