[TSPS-662] Show hamburger menu for logged out views in Teaspoons brand (#5443)

Author: MatthewBemis

src/pages/SignIn.js

@@ -21,7 +21,7 @@ const styles = {
 };
 
 const SignIn = () => {
-  return h(HeroWrapper, { showMenu: false, showDocLink: true }, [
+  return h(HeroWrapper, { showMenu: true, showDocLink: true }, [
     div({ style: { maxWidth: 600 } }, [
       div({ style: { fontSize: 16, lineHeight: 1.5, marginBottom: '2rem' } }, [
         'If you are a new user or returning user, click sign in to continue.',