Wrap admin user creation in a try/catch to provider better info in case of an error

packages/server/src/app.ts

@@ -121,6 +121,7 @@ module.exports = server.listen(env.PORT || 0, async () => {
   ) {
     const checklist = await getChecklist()
     if (!checklist?.adminUser?.checked) {
+      try {
         await createAdminUser(
           env.BB_ADMIN_USER_EMAIL,
           env.BB_ADMIN_USER_PASSWORD,
@@ -130,6 +131,10 @@ module.exports = server.listen(env.PORT || 0, async () => {
           "Admin account automatically created for",
           env.BB_ADMIN_USER_EMAIL
         )
+      } catch (e) {
+        logAlert("Error creating initial admin user. Exiting.", e)
+        shutdown()
+      }
     }
   }