Fixed scenario of setting billing and shipping addresses, now shipping address is hidden when "Shipping address is same as billing address" is checked. Also fixed scenario when billing address is populated after checking "Shipping address is same as billing address".
Note: The following issues were found on lines that were not modified in the pull request. Because these issues can't be reported as line comments, they are summarized here:
quote-request.js#L78: Rename "countryRegion" as this name is already used in declaration at line 71.
quote-request.js#L147: "response" hides or potentially hides a variable declared in an outer scope at line 146.
Fixed scenario of setting billing and shipping addresses, now shipping address is hidden when "Shipping address is same as billing address" is checked. Also fixed scenario when billing address is populated after checking "Shipping address is same as billing address".