avoid extra API call if not required

ynab/accounts.go

@@ -54,6 +54,10 @@ func (c *Client) SetAccountBalance(accountID string, balance int) error {
 		return fmt.Errorf("failed to get ynab account with id '%s': %v", accountID, err)
 	}
 
+	if balance == ynabAccount.Data.Account.Balance {
+		return nil // The YNAB account already has the balance we're requesting, so there is no need to do anything
+	}
+
 	balanceDelta := balance - ynabAccount.Data.Account.Balance
 	balanceDelta += ynabTransactionAmount // Take into account the existing transaction
 	if balanceDelta == 0 {