try changing

{image ? <p>{image.name}</p> : <p>Drag & drop an image, or click to select</p>}

to

{image ? <p><img src={URL.createObjectURL(image)} /></p> : <p>Drag & drop an image, or click to select</p>}

more info:

https://react-dropzone.js.org/#:~:text=Preview

https://developer.mozilla.org/en-US/docs/Web/API/URL/createObjectURL_static