product controller update

[HusseinAhmed2018]

should update product controller too , with last update change ### getPaymentsMethodsAvailableForPrice function name to ### getPaymentMethodAvailableForPrice and model new path to (extension/payment/tamarapay) after you move file to new path and methods should be array
$availableMethods[] = $this->model_extension_payment_tamarapay->getPaymentMethodAvailableForPrice($finalPrice);