refactor: prevent tool mode on group component (#5522)

* Refactor nodeToolbarComponent to conditionally show tool mode button based on isGroup variable

* add toolModeGroup.spec.ts test

* [autofix.ci] apply automated fixes

---------

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

src/frontend/tests/core/features/toolModeGroup.spec.ts

@@ -0,0 +1,31 @@
+import { expect, test } from "@playwright/test";
+import { awaitBootstrapTest } from "../../utils/await-bootstrap-test";
+
+test.describe("group node test", () => {
+  /// <reference lib="dom"/>
+  test(
+    "group and ungroup updating values",
+    { tag: ["@release", "@workspace"] },
+    async ({ page }) => {
+      await awaitBootstrapTest(page);
+
+      await page.getByTestId("side_nav_options_all-templates").click();
+      await page
+        .getByRole("heading", { name: "Basic Prompting" })
+        .first()
+        .click();
+      await page.getByTestId("fit_view").first().click();
+
+      await page
+        .getByTestId("title-OpenAI")
+        .click({ modifiers: ["ControlOrMeta"] });
+      await page
+        .getByTestId("title-Prompt")
+        .click({ modifiers: ["ControlOrMeta"] });
+
+      await page.getByRole("button", { name: "Group" }).click();
+      await page.getByTestId("title-Group").click();
+      await expect(page.getByTestId("tool-mode-button")).toBeHidden();
+    },
+  );
+});