Fix Node search

The param used for ransack is filter and not q
Also we need to safelist the page association.

app/javascript/alchemy_admin/components/node_select.js

@@ -3,7 +3,7 @@ import { RemoteSelect } from "./remote_select"
 class NodeSelect extends RemoteSelect {
   _searchQuery(term, page) {
     return {
-      q: {
+      filter: {
         name_or_page_name_cont: term,
         ...JSON.parse(this.queryParams)
       },

app/models/alchemy/node.rb

@@ -48,6 +48,10 @@ def available_menu_names
 
       private
 
+      def searchable_alchemy_resource_associations
+        %w[page]
+      end
+
       # Reads the element definitions file named +menus.yml+ from +config/alchemy/+ folder.
       #
       def read_definitions_file

spec/javascript/alchemy_admin/components/node_select.spec.js

@@ -91,7 +91,7 @@ describe("alchemy-node-select", () => {
     })
 
     it("should add the query parameter to the API call", () => {
-      expect(component.ajaxConfig.data("test").q.foo).toEqual("bar")
+      expect(component.ajaxConfig.data("test").filter.foo).toEqual("bar")
     })
   })
 })