fix(prejoin) don't hide during auth

Fix the focus issue by disabling autofocus in case an auth (login, ait
for owner or password) dialog is shown.

Fixes: https://github.com/jitsi/docker-jitsi-meet/issues/1336

react/features/authentication/middleware.native.js

@@ -15,7 +15,6 @@ import {
     JitsiConnectionErrors
 } from '../base/lib-jitsi-meet';
 import { MiddlewareRegistry } from '../base/redux';
-import { setPrejoinPageVisibility } from '../prejoin';
 
 import {
     CANCEL_LOGIN,
@@ -121,7 +120,6 @@ MiddlewareRegistry.register(store => next => action => {
                 && error.name === JitsiConnectionErrors.PASSWORD_REQUIRED
                 && typeof error.recoverable === 'undefined') {
             error.recoverable = true;
-            store.dispatch(setPrejoinPageVisibility(false));
             store.dispatch(openLoginDialog());
         }
         break;