feat: Add env variables to support exposing /workflows/demo route and /nodes.json route (#8506)

Co-authored-by: कारतोफ्फेलस्क्रिप्ट™ <aditya@netroy.in>

packages/editor-ui/src/router.ts

@@ -359,6 +359,14 @@ export const routes = [
 		},
 		meta: {
 			middleware: ['authenticated'],
+			middlewareOptions: {
+				authenticated: {
+					bypass: () => {
+						const settingsStore = useSettingsStore();
+						return settingsStore.isPreviewMode;
+					},
+				},
+			},
 		},
 	},
 	{