i'm learning solana development from Buildspace and this is the tutorial source code for the next.js app https://github.com/buildspace/solana-send-sol-frontend.git
the component to display the solana balance in the connected wallet is here: https://github.com/buildspace/solana-send-sol-frontend/blob/main/components/BalanceDisplay.tsx
after a transaction to send solana is confirmed, the balance shown on the frontend does not update.
how can i change the code so that the balance is updated?