♻️ (auth) Make sure new users have an email

Also fix after-auth redirections

Closes #323

apps/builder/src/pages/_app.tsx

@@ -25,7 +25,7 @@ const { ToastContainer, toast } = createStandaloneToast(customTheme)
 const App = ({
   Component,
   pageProps: { session, ...pageProps },
-}: AppProps<{ session: Session }>) => {
+}: AppProps<{ session?: Session }>) => {
   useRouterProgressBar()
   const { query, pathname, isReady } = useRouter()
 

apps/builder/src/pages/api/auth/[...nextauth].ts

@@ -146,6 +146,9 @@ const handler = (req: NextApiRequest, res: NextApiResponse) => {
     session: {
       strategy: 'database',
     },
+    pages: {
+      signIn: '/signin',
+    },
     callbacks: {
       session: async ({ session, user }) => {
         const userFromDb = user as User

apps/builder/src/pages/api/auth/adapter.ts

@@ -14,6 +14,8 @@ import {
 export function CustomAdapter(p: PrismaClient): Adapter {
   return {
     createUser: async (data: Omit<AdapterUser, 'id'>) => {
+      if (!data.email)
+        throw Error('Provider did not forward email but it is required')
       const user = { id: createId(), email: data.email as string }
       const { invitations, workspaceInvitations } = await getNewUserInvitations(
         p,