chore: fix allowSyntheticDefaultImports define

                   ref ant-design/ant-design#26484

Author: zombieJ

src/Content.tsx

@@ -1,4 +1,4 @@
-import React from 'react';
+import * as React from 'react';
 
 export interface ContentProps {
   prefixCls?: string;

src/Tooltip.tsx

@@ -1,4 +1,5 @@
-import React, { useRef, useImperativeHandle, forwardRef } from 'react';
+import * as React from 'react';
+import { useRef, useImperativeHandle, forwardRef } from 'react';
 import Trigger, { TriggerProps } from 'rc-trigger';
 import { AlignType, AnimationType, ActionType } from 'rc-trigger/lib/interface';
 import { placements } from './placements';