The validation icon seems vertically misaligned

[felipesilvati]

Steps to reproduce

• Import antd-country-phone-input to your project
• Add it to a form and add the hasFeedback prop to the form.item
• Type something wrong to generate an invalid behavior
• Check the vertical alignment of the ❌ icon

Example:

Expected behavior

• The ❌ icon should be vertically centralized

[helsonxiao]

Thanks for your reporting! It seems to be a minor css change. Would you like to create a PR for this?

BTW, we're looking for collaborator who're interested in this library and use it in production environment.