Add comma formatting to edit dialog

Adds comma formatting to the amount input field in the transaction edit dialog.

src/components/TransactionEditDialog.tsx

@@ -41,7 +41,7 @@ const TransactionEditDialog: React.FC<TransactionEditDialogProps> = ({
     resolver: zodResolver(formSchema),
     defaultValues: {
       title: transaction.title,
-      amount: transaction.amount.toString(),
+      amount: formatWithCommas(transaction.amount.toString()),
       category: transaction.category as any,
     },
   });