fix: updated client code to respect missing usernames

src/core/client/stream/containers/CommentContainer.spec.tsx

@@ -19,3 +19,18 @@ it("renders username and body", () => {
   const wrapper = shallow(<CommentContainer {...props} />);
   expect(wrapper).toMatchSnapshot();
 });
+
+it("renders body only", () => {
+  const props: PropTypesOf<typeof CommentContainer> = {
+    data: {
+      author: {
+        username: null,
+      },
+      body: "Woof",
+      createdAt: "1995-12-17T03:24:00.000Z",
+    },
+  };
+
+  const wrapper = shallow(<CommentContainer {...props} />);
+  expect(wrapper).toMatchSnapshot();
+});

src/core/client/stream/containers/__snapshots__/CommentContainer.spec.tsx.snap

@@ -1,5 +1,17 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
+exports[`renders body only 1`] = `
+<Comment
+  author={
+    Object {
+      "username": null,
+    }
+  }
+  body="Woof"
+  createdAt="1995-12-17T03:24:00.000Z"
+/>
+`;
+
 exports[`renders username and body 1`] = `
 <Comment
   author={