Patched shuffle function to copy array

The inline implementation of shuffle caused React not to detect
changes, because the reference didn't change. Copying the array
with slice(), thus changing the reference, fixed the issue.

src/app/components/bingocontroller.tsx

@@ -4,6 +4,7 @@ import React from 'react'
 import Bingo from './bingo'
 
 function FisherYatesShuffle(array:string[]):string[]{
+	array = array.slice();
 	for(let i = array.length - 1; i > 0; i--){
 		const j = Math.floor(Math.random() * (i + 1));
 		const temp = array[i];