Be less aggressive on selected shipping rate logic for Checkout block (#46719)

* be less aggressive on selected shipping rate logic

* Add changefile(s) from automation for the following project(s): woocommerce

---------

Co-authored-by: github-actions <github-actions@github.com>

plugins/woocommerce/changelog/46719-fix-less-restricive-shipping-validation

@@ -0,0 +1,4 @@
+Significance: patch
+Type: fix
+
+Be less aggressive when checking for selected shipping rates in Store API. Reminder that shipping rate id should be on the shape of `method_id:instance_id`.

plugins/woocommerce/src/StoreApi/Utilities/ArrayUtils.php

@@ -33,4 +33,21 @@ class ArrayUtils {
 		}
 		return $last;
 	}
+
+	/**
+	 * Check if a string contains any of the items in an array.
+	 *
+	 * @param string $needle The string to check.
+	 * @param array  $haystack  The array of items to check for.
+	 *
+	 * @return bool true if the string contains any of the items in the array, false otherwise.
+	 */
+	public static function string_contains_array( $needle, $haystack ) {
+		foreach ( $haystack as $item ) {
+			if ( false !== strpos( $needle, $item ) ) {
+				return true;
+			}
+		}
+		return false;
+	}
 }

plugins/woocommerce/src/StoreApi/Utilities/OrderController.php

@@ -562,7 +562,7 @@ class OrderController {
 			if (
 				false === $chosen_shipping_method ||
 				! is_string( $chosen_shipping_method ) ||
-				! in_array( current( explode( ':', $chosen_shipping_method ) ), $valid_methods, true )
+				! ArrayUtils::string_contains_array( $chosen_shipping_method, $valid_methods )
 			) {
 				throw $exception;
 			}