CWA-202 | applied new design to nodes_list_page and new_node_page; created node_list_row widget, alert_with_one_action and alert_with_two_action; deleted reconnect_alert_dialog, wallet_creation_dialog, restore_alert_dialog and pin_alert_dialog

lib/src/stores/node_list/node_list_store.dart

@@ -12,6 +12,7 @@ class NodeListStore = NodeListBase with _$NodeListStore;
 abstract class NodeListBase with Store {
   NodeListBase({this.nodesSource}) {
     nodes = ObservableList<Node>();
+    disabledState = true;
     _onNodesChangeSubscription = nodesSource.watch().listen((e) => update());
     update();
   }
@@ -25,6 +26,9 @@ abstract class NodeListBase with Store {
   @observable
   String errorMessage;
 
+  @observable
+  bool disabledState;
+
   Box<Node> nodesSource;
 
   StreamSubscription<BoxEvent> _onNodesChangeSubscription;
@@ -61,6 +65,11 @@ abstract class NodeListBase with Store {
   @action
   Future reset() async => await resetToDefault(nodesSource);
 
+  @action
+  void setDisabledState(bool isDisable) {
+    disabledState = isDisable;
+  }
+
   Future<bool> isNodeOnline(Node node) async {
     try {
       return await node.requestNode(node.uri,