Fixes: U4-6736 Log "logout" from Umbraco and also ensures logging is occuring on timeout, logout, login all with Identity stuff.

src/Umbraco.Web.UI.Client/src/common/services/user.service.js

@@ -102,7 +102,14 @@ angular.module('umbraco.services')
                         if (Umbraco.Sys.ServerVariables.umbracoSettings.keepUserLoggedIn !== true) {
                             //NOTE: the safeApply because our timeout is set to not run digests (performance reasons)
                             angularHelper.safeApply($rootScope, function () {
-                                userAuthExpired();
+                                try {
+                                    //NOTE: We are calling this again so that the server can create a log that the timeout has expired, we
+                                    // don't actually care about this result.
+                                    authResource.getRemainingTimeoutSeconds();
+                                }
+                                finally {
+                                    userAuthExpired();
+                                } 
                             });
                         }
                         else {