fix(react): return type of Delay should be JSX.Element (#898)

# Overview

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    A clear and concise description of what this pr is about.
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same reason with previous PRs

## PR Checklist

- [x] I did below actions if need

1. I read the [Contributing
Guide](https://github.com/suspensive/react/blob/main/CONTRIBUTING.md)
2. I added documents and tests.

.changeset/honest-peas-wink.md

@@ -0,0 +1,5 @@
+---
+"@suspensive/react": patch
+---
+
+fix(react): return type of Delay should be JSX.Element

packages/react/src/Delay.test-d.tsx

@@ -0,0 +1,17 @@
+import type { ReactNode } from 'react'
+import { Delay } from './Delay'
+
+describe('<Delay/>', () => {
+  it('type check', () => {
+    expectTypeOf(
+      <Delay>
+        <></>
+      </Delay>
+    ).toEqualTypeOf<JSX.Element>()
+    expectTypeOf(
+      <Delay>
+        <></>
+      </Delay>
+    ).not.toEqualTypeOf<ReactNode>()
+  })
+})

packages/react/src/Delay.tsx

@@ -21,7 +21,7 @@ export const Delay = (props: DelayProps) => {
   useTimeout(() => setIsDelaying(false), ms)
 
   const fallback = typeof props.fallback === 'undefined' ? defaultProps.fallback : props.fallback
-  return isDelaying ? fallback : props.children
+  return <>{isDelaying ? fallback : props.children}</>
 }
 if (process.env.NODE_ENV === 'development') {
   Delay.displayName = 'Delay'