🐛 Prompt for Google account instead of choosing the same every time

Why:
- If you logged in once with a Google account, then Auth0 would keep
  using that same account on subsequent logins. This fixes that so that
  it'll give you the list of Google accounts to choose from.
    https://community.auth0.com/t/how-do-i-force-the-universal-login-to-allow-the-user-to-select-a-gmail-account/72655/11
    https://community.auth0.com/t/allow-user-using-google-oauth2-authentication-to-pick-google-account-do-not-sign-in-automatically/64331
    https://developers.google.com/identity/openid-connect/openid-connect#prompt
- Facebook login has the same problem. There is no known fix.
    auth0/Auth0.Android#604

src/territory_bro/infra/auth0.clj

@@ -125,6 +125,7 @@
         [servlet-request servlet-response *ring-response] (ring->servlet ring-request)
         authorize-url (-> (.buildAuthorizeUrl auth-controller servlet-request servlet-response callback-url)
                           (.withScope "openid email profile")
+                          (.withParameter "prompt" "select_account")
                           (.build))]
     (meta-merge @*ring-response
                 (response/redirect authorize-url :see-other))))

web/src/authentication.ts

@@ -39,7 +39,7 @@ export function auth0Authenticator(settings: Settings) {
   }
 
   function login() {
-    webAuth.authorize();
+    webAuth.authorize({prompt: "select_account"});
   }
 
   function logout() {