Edit device after accepting new connection (fixes #1929)

This will open the "edit device" dialogue after accepting a new device
connection. This will allow the user to specify the name of the device
or leave it blank in case they want to accept whatever the device
advertises once it connects.

gui/syncthing/core/syncthingController.js

@@ -970,13 +970,14 @@ angular.module('syncthing.core')
             $('#idqr').modal('show');
         };
 
-        $scope.addDevice = function () {
-            $http.get(urlbase + '/system/discovery')
+        $scope.addDevice = function (deviceID) {
+            return $http.get(urlbase + '/system/discovery')
                 .success(function (registry) {
                     $scope.discovery = registry;
                 })
                 .then(function () {
                     $scope.currentDevice = {
+                        deviceID: deviceID,
                         _addressesStr: 'dynamic',
                         compression: 'metadata',
                         introducer: false,
@@ -1016,18 +1017,7 @@ angular.module('syncthing.core')
         $scope.saveDevice = function () {
             $('#editDevice').modal('hide');
             $scope.saveDeviceConfig($scope.currentDevice);
-        };
-
-        $scope.addNewDeviceID = function (device) {
-            var deviceCfg = {
-                deviceID: device,
-                _addressesStr: 'dynamic',
-                compression: 'metadata',
-                introducer: false,
-                selectedFolders: {}
-            };
-            $scope.saveDeviceConfig(deviceCfg);
-            $scope.dismissDeviceRejection(device);
+            $scope.dismissDeviceRejection($scope.currentDevice.deviceID);
         };
 
         $scope.saveDeviceConfig = function (deviceCfg) {