There isn't a way to restore a record in Xero/Quickbooks once it has been deleted.
1. Remove The Payment In Brite
So, first, you need to remove the payment from Brite. Simply click the Xero/Quickbooks icon (top right corner) on the payment page (CLICK HERE). This will sync any recently updated payment and should remove this payment from the booking in Brite.
2. Record The Payment Again
Once you have this done, simply record the payment again in Brite.