fix(editor): do not display format bar with embed node (#11371)

Close [BS-2895: 点击inline名字区域不需要显示format toolbar](https://linear.app/affine-design/issue/BS-2895/点击inline名字区域不需要显示format-toolbar)

tests/blocksuite/e2e/format-bar.spec.ts

@@ -19,6 +19,7 @@ import {
   initThreeParagraphs,
   pasteByKeyboard,
   pressArrowDown,
+  pressArrowLeft,
   pressArrowUp,
   pressEnter,
   pressEscape,
@@ -1051,3 +1052,18 @@ test.describe('more menu button', () => {
     await assertRichTexts(page, ['123', '789']);
   });
 });
+
+test('should not display format bar when just select embed node', async ({
+  page,
+}) => {
+  await enterPlaygroundRoom(page);
+  await initEmptyParagraphState(page);
+  await focusRichText(page, 0);
+  await type(page, '@\n');
+  await assertRichTextInlineRange(page, 0, 1, 0);
+  await pressArrowLeft(page);
+  await assertRichTextInlineRange(page, 0, 0, 1);
+
+  const { boldBtn } = getFormatBar(page);
+  await expect(boldBtn).toBeHidden();
+});