rfix #5402. Fix messaging window dissapearance

app/app.css

@@ -2087,7 +2087,7 @@ table.dataTable thead .sorting:after {
     right: 15px;
 	-moz-box-shadow: 0px 0px 45px rgba(0,0,0,0.4);
     box-shadow: 0px 0px 45px rgba(0,0,0,0.4);
-    z-index: 10;
+    z-index: 2100;
     border-radius: 3px;	
 }
 

app/components/messaging/messaging.js

@@ -31,12 +31,27 @@ angular.module("ulakbus.messaging")
             scope: {},
             link: function(iScope, iElem, iAttrs){
                 iScope.chatAppIsHidden = true;
+                // track if user is logged in
+
+
+                // reset state when user log in/log out
+                $rootScope.$watch('loggedInUser', function(v){
+                    iScope.loggedIn = v;
+                    reset();
+                });
 
                 // shared object to populate models through scopes
                 iScope.shared = {};
 
                 var popupRootElement = $(iElem).find('.popup-placeholder');
 
+                function reset(){
+                    iScope.selectedChannel = null;
+                    iScope.publicChannels = [];
+                    iScope.notificationsChannel = [];
+                    iScope.directChannels = [];
+                }
+
                 function editChannelPopup(channel){
                     return MessagingPopup.show({
                         templateUrl: "components/messaging/templates/create_channel.html",
@@ -308,10 +323,7 @@ angular.module("ulakbus.messaging")
 
                 $rootScope.$on("user_ready", function(){
                     // init service after user logged in
-                    iScope.selectedChannel = null;
-                    iScope.publicChannels = [];
-                    iScope.notificationsChannel = [];
-                    iScope.directChannels = []
+                    reset();
                     iScope.hideApp();
                 });
             }

app/components/messaging/templates/index.html

-<div>
+<div ng-show="loggedIn">
     <a class="chat-app-button" ng-show="chatAppIsHidden" ng-click="showApp()"><i class="glyphicon glyphicon-comment"></i></a>
     <div class="chat-app" ng-hide="chatAppIsHidden">