fix(component-email): add user name in signup email

packages/component-email/src/routes/emails/notifications.js

@@ -18,7 +18,7 @@ module.exports = {
       type: 'user',
       toUser: {
         email: user.email,
-        name: user.name,
+        name: `${user.firstName} ${user.lastName}`,
       },
       content: {
         ctaLink: services.createUrl(baseUrl, resetPath, {