Use active field instead of percent

src/views/backups.js

@@ -91,10 +91,7 @@ angular.module('Application').controller('BackupsController', ['$scope', '$locat
             Client.getTaskProgress('backup', function (error, data) {
                 if (error) return window.setTimeout($scope.createBackup.updateStatus, 250);
 
-                // check if we are done
-                if (data.percent >= 100) {
-                    if (data.message) console.error('Backup message: ' + data.message); // backup error message
-
+                if (!data.active) {
                     $scope.createBackup.busy = false;
                     $scope.createBackup.message = '';
                     $scope.createBackup.percent = 100; // indicates that 'result' is valid