Keep div as element type so it doesn't change the layout

Author: AnnMarieW

components/dash-core-components/src/components/Clipboard.react.js

@@ -147,7 +147,6 @@ export default class Clipboard extends React.Component {
 
         return clipboardAPI ? (
             <LoadingElement
-                elementType={'button'}
                 id={id}
                 title={title}
                 style={isCopied ? copied_style ?? style : style}