fix(SearchRecipeComponent): category-filter-map is just @NgOneWay

… not `@NgTwoWay`.

Author: chalin

Chapter_06/lib/component/search_recipe_component.dart

@@ -13,7 +13,7 @@ class SearchRecipeComponent {
   @NgTwoWay('name-filter-string')
   String nameFilterString = "";
 
-  @NgTwoWay('category-filter-map')
+  @NgOneWay('category-filter-map')
   Map<String, bool> get categoryFilterMap => _categoryFilterMap;
   void set categoryFilterMap(values) {
     _categoryFilterMap = values;

Chapter_07/lib/component/search_recipe_component.dart

@@ -13,7 +13,7 @@ class SearchRecipeComponent {
   @NgTwoWay('name-filter-string')
   String nameFilterString = "";
 
-  @NgTwoWay('category-filter-map')
+  @NgOneWay('category-filter-map')
   Map<String, bool> get categoryFilterMap => _categoryFilterMap;
   void set categoryFilterMap(values) {
     _categoryFilterMap = values;