fix(Tag): renders excess content when passing only the icon (#43518)

* fix: add judgment

* chore: add test case

components/tag/__tests__/index.test.tsx

@@ -1,6 +1,7 @@
 import React from 'react';
 import { Simulate } from 'react-dom/test-utils';
 
+import { CheckCircleOutlined } from '@ant-design/icons';
 import Tag from '..';
 import { resetWarned } from '../../_util/warning';
 
@@ -135,6 +136,11 @@ describe('Tag', () => {
     expect(onClick).not.toHaveBeenCalled();
   });
 
+  it('should only render icon when no children', () => {
+    const { container } = render(<Tag icon={<CheckCircleOutlined />} />);
+    expect(container.querySelector('.ant-tag ')?.childElementCount).toBe(1);
+  });
+
   it('deprecated warning', () => {
     resetWarned();
     const errSpy = jest.spyOn(console, 'error').mockImplementation(() => {});

components/tag/index.tsx

@@ -128,7 +128,7 @@ const InternalTag: React.ForwardRefRenderFunction<HTMLSpanElement, TagProps> = (
   const kids: React.ReactNode = iconNode ? (
     <>
       {iconNode}
-      <span>{children}</span>
+      {children && <span>{children}</span>}
     </>
   ) : (
     children