Extension settings side menu configuration is not honored

[cnotv]

Description

Given a custom page configuration to be added in Settings is not showing in the side menu.

// Product configuration
export function init($plugin: IPlugin, store: any) {
  const {
    virtualType,
    basicType
  } = $plugin.DSL(store, PRODUCT_NAME);

  virtualType({
    label: SETTING_PAGE_NAME,
    name:  CUSTOM_PAGE_NAME,
    route: {
      name:   SETTING_PAGE_NAME,
      params: {
        product: SETTING_PRODUCT,
      }
    }
  });

  basicType([CUSTOM_PAGE_NAME]);
}

// Router configuration
const routes: RouteRecordRaw[] = [
  {
    name:      SETTING_PAGE_NAME,
    path:      `/c/:cluster/settings/${ CUSTOM_PAGE_NAME }`,
    component: Registration,
    meta:      { product: SETTING_PRODUCT },
  },
];

[richard-cox]

looks like there's some misalignment between the virtualType name (should be similar to the route's url) and params (to include the PRODUCT_NAME). more info at https://extensions.rancher.io/extensions/next/api/nav/custom-page