Fix react-native-confetti's JSX fragment usage

It now requires an explicit import of React in order to use JSX
fragments.

Here is the Typescript 5.7 PR that introduced this error:

microsoft/TypeScript#59933

Author: sandersn

types/react-native-confetti/react-native-confetti-tests.tsx

@@ -1,4 +1,4 @@
-import { FC, useRef } from "react";
+import React, { FC, useRef } from "react";
 import { Button } from "react-native";
 import Confetti from "react-native-confetti";