fix: BreadcrumbItem menu type (#41373)

* fix: BreadcrumbItem menu type

* Update components/breadcrumb/BreadcrumbItem.tsx

Co-authored-by: acyza <101238421+acyza@users.noreply.github.com>

---------

Co-authored-by: acyza <101238421+acyza@users.noreply.github.com>

components/breadcrumb/BreadcrumbItem.tsx

@@ -11,7 +11,7 @@ export interface SeparatorType {
   key?: React.Key;
 }
 
-type MenuType = DropdownProps['menu'];
+type MenuType = NonNullable<DropdownProps['menu']>;
 interface MenuItem {
   title?: React.ReactNode;
   label?: React.ReactNode;

components/breadcrumb/__tests__/Breadcrumb.test.tsx

@@ -343,4 +343,8 @@ describe('Breadcrumb', () => {
     const item = await wrapper.findByText('test');
     expect(item).toHaveClass(testClassName);
   });
+
+  it('Breadcrumb.Item menu type', () => {
+    expect(<Breadcrumb.Item menu={{ selectable: true }} />).toBeTruthy();
+  });
 });