Adds taxes to variation prices. (#717)

Co-authored-by: Andres A <andres@Andress-MacBook-Pro.local>

Author: creative-andrew

includes/model/class-product-variation.php

@@ -57,17 +57,17 @@ protected function init() {
 },
 'price' => function() {
 return ! empty( $this->wc_data->get_price() )
-? \wc_graphql_price( $this->wc_data->get_price() )
+? \wc_graphql_price( \wc_get_price_to_display( $this->wc_data, [ 'price' => $this->wc_data->get_price() ] ) )
 : null;
 },
 'regularPrice' => function() {
-return ! empty( $this->wc_data->get_regular_price() ) ?
-\wc_graphql_price( $this->wc_data->get_regular_price() )
+return ! empty( $this->wc_data->get_regular_price() )
+? \wc_graphql_price( \wc_get_price_to_display( $this->wc_data, [ 'price' => $this->wc_data->get_regular_price() ] ) )
 : null;
 },
 'salePrice' => function() {
 return ! empty( $this->wc_data->get_sale_price() )
-? \wc_graphql_price( $this->wc_data->get_sale_price() )
+? \wc_graphql_price( \wc_get_price_to_display( $this->wc_data, [ 'price' => $this->wc_data->get_sale_price() ] ) )
 : null;
 },
 'dateOnSaleFrom' => function() {