Merge pull request #1388 from WordPress/update/meta-boxes-svg-icons-a11y

Completely hide the meta boxes icons from screen readers

components/icon-button/index.js

@@ -15,7 +15,7 @@ function IconButton( { icon, children, label, className, focus, ...additionalPro
 
 	return (
 		<Button { ...additionalProps } aria-label={ label } className={ classes } focus={ focus }>
-			<Dashicon icon={ icon } />
+			<span aria-hidden="true"><Dashicon icon={ icon } /></span>
 			{ children }
 		</Button>
 	);