fix: Welcome emails should not be sent when inviting a user (#2132)

* chore: Bump nodemailer

* fix: Welcome email sent to invites

* test: Add regression test for emails from accountProvisioner

server/auth/providers/email.js

@@ -3,7 +3,7 @@ import subMinutes from "date-fns/sub_minutes";
 import Router from "koa-router";
 import { find } from "lodash";
 import { AuthorizationError } from "../../errors";
-import mailer from "../../mailer";
+import mailer, { sendEmail } from "../../mailer";
 import methodOverride from "../../middlewares/methodOverride";
 import validation from "../../middlewares/validation";
 import { User, Team } from "../../models";
@@ -97,6 +97,9 @@ router.get("email.callback", async (ctx) => {
     if (user.isSuspended) {
       return ctx.redirect("/?notice=suspended");
     }
+    if (user.isInvited) {
+      sendEmail("welcome", user.email, { teamUrl: user.team.url });
+    }
 
     await user.update({ lastActiveAt: new Date() });