Add loading screen between leaving old party and joining new one

website/public/js/controllers/partyCtrl.js

@@ -91,6 +91,9 @@ habitrpg.controller("PartyCtrl", ['$rootScope','$scope','Groups','Chat','User','
       $scope.leaveOldPartyAndJoinNewParty = function(newPartyId, newPartyName) {
         if (confirm('Are you sure you want to delete your party and join ' + newPartyName + '?')) {
           Groups.Group.leave({gid: Groups.party()._id, keep:false}, undefined, function() {
+            $scope.group = {
+              loadingNewParty: true
+            };
             $scope.join({ id: newPartyId, name: newPartyName });
           });
         }