Fix route ref issue for catalog entity

Signed-off-by: Niall McCullagh <niallmccullagh@users.noreply.github.com>

plugins/catalog-graph/dev/index.tsx

@@ -42,6 +42,7 @@ import {
   catalogGraphPlugin,
   EntityCatalogGraphCard,
 } from '../src';
+import { CatalogEntityPage } from '@backstage/plugin-catalog';
 
 type DataRelation = [string, string, string];
 type DataEntity = [string, string, DataRelation[]];
@@ -167,6 +168,12 @@ createDevApp()
     ),
   })
   .addPage({
+    path: '/catalog-graph',
     element: <CatalogGraphPage />,
   })
+  .addPage({
+    path: '/catalog/:kind/:namespace/:name',
+    element: <CatalogEntityPage />,
+    title: 'MockComponent',
+  })
   .render();

plugins/catalog-graph/package.json

@@ -46,6 +46,7 @@
   },
   "devDependencies": {
     "@backstage/cli": "^0.14.1",
+    "@backstage/plugin-catalog": "^0.9.0",
     "@backstage/core-app-api": "^0.5.4",
     "@backstage/dev-utils": "^0.2.23",
     "@backstage/test-utils": "^0.2.6",