Update MiniCart.php to fix price total amount on page load prices are…

… including tax (#7832)

* Update MiniCart.php

Added an update to the '$cart_contents_total' variable on the 'get_cart_price_markup' function if $cart->display_prices_including_tax is active. Currently displaying wrong amount total on page load if items are already in the basket.

* Update MiniCart.php

Removed white spaces?

* Update MiniCart.php

Fixed IF statement

* Remove whitespace at end of line

Co-authored-by: Albert Juhé Lluveras <contact@albertjuhe.com>

src/BlockTypes/MiniCart.php

@@ -303,6 +303,11 @@ protected function get_cart_price_markup( $attributes ) {
 		$cart_controller     = $this->get_cart_controller();
 		$cart                = $cart_controller->get_cart_instance();
 		$cart_contents_total = $cart->get_subtotal();
+
+		if ( $cart->display_prices_including_tax() ) {
+			$cart_contents_total += $cart->get_subtotal_tax();
+		}
+
 		return '<span class="wc-block-mini-cart__amount">' . esc_html( wp_strip_all_tags( wc_price( $cart_contents_total ) ) ) . '</span>
 		' . $this->get_include_tax_label_markup();
 	}