updated lowcoder-core build with react 18

Author: raheeliftikhar5

client/packages/lowcoder-core/lib/index.d.ts

@@ -1,6 +1,6 @@
 /// <reference types="react" />
 import * as react from 'react';
-import { ReactNode } from 'react';
+import React, { ReactNode } from 'react';
 import * as react_jsx_runtime from 'react/jsx-runtime';
 
 type EvalMethods = Record<string, Record<string, Function>>;