Show email UI even if domain is disabled

This way when a user tries to delete a domain, he can still clear
the mailboxes.

Fixes cloudron/box##610

src/views/email.js

@@ -57,7 +57,7 @@ angular.module('Application').controller('EmailController', ['$scope', '$locatio
             Client.setCatchallAddresses($scope.selectedDomain.domain, addresses, function (error) {
                 if (error) console.error('Unable to add catchall address.', error);
 
-                $scope.catchall.busy = false;
+                $timeout(function () { $scope.catchall.busy = false; }, 2000); // otherwise, it's too fast
             });
         },