Add body parsing for member delete endpoint

functions/api/events-team/team-members/user.ts

@@ -1,7 +1,15 @@
 import { jsonError } from "../../../common.js";
 
 export async function onRequestDelete(context: RequestContext) {
-  const { id } = context.data.body;
+  let body: { id?: string } = {};
+
+  try {
+    body = await context.request.json();
+  } catch {
+    return jsonError("Invalid body", 400);
+  }
+
+  const { id } = body;
 
   if (
     typeof id !== "string" ||