Fix single product display prices for variation price range modified with role based prices

functions.php

add_filter( 'woocommerce_variable_sale_price_html', 'rbp_new_variation_price_order', 10, 2 );
add_filter( 'woocommerce_variable_price_html', 'rbp_new_variation_price_order', 10, 2 );


function rbp_new_variation_price_order() {

	$product = wc_get_product( get_the_id() );

	if ( $product->is_type( 'variable' ) ) {

		$variations = array();

		foreach ( $product->get_available_variations() as $variation ) {

			array_push( $variations, $variation['display_price'] );
		}

		asort( $variations, SORT_NUMERIC );

		$variations_ordered = array_values( $variations );
		$price              = wc_price( reset( $variations_ordered ) ) . ' - ' . wc_price( end( $variations_ordered ) );

		return $price;
	}
}