Also parse the extras from the comment field

test/frame.userdefined.test.ts

@@ -1,5 +1,6 @@
-import { describe, it, expect } from "vitest";
 import { Dissected } from "@hamradio/packet";
+import { describe, expect, it } from "vitest";
+
 import { Frame } from "../src/frame";
 import { DataType, type UserDefinedPayload } from "../src/frame.types";
 
@@ -27,9 +28,7 @@ describe("Frame.decodeUserDefined", () => {
     expect(res.payload.data).toBe("Hello world");
 
     const raw = res.structure.find((s) => s.name === "user-defined");
-    const typeSection = res.structure.find(
-      (s) => s.name === "user-packet-type",
-    );
+    const typeSection = res.structure.find((s) => s.name === "user-packet-type");
     const dataSection = res.structure.find((s) => s.name === "user-data");
     expect(raw).toBeDefined();
     expect(typeSection).toBeDefined();