Client Fixes (#9021)

* pass the timezoneoffset to the server

* implement yesterdaily modal timer

* fix typos

* todo

* task editing: checklist should not overlay the tags box

* make tags selector use two columns

* show all tags

* do not allow users to go to /login and /register if logged in

website/client/router.js

@@ -283,6 +283,10 @@ router.beforeEach(function routerGuard (to, from, next) {
     return next({name: to.path === '/' ? 'home' : 'login'});
   }
 
+  if (isUserLoggedIn && (to.name === 'login' || to.name === 'register')) {
+    return next({name: 'tasks'});
+  }
+
   next();
 });