Re-enabled pre-wrap

Author: Brian Vaughn

packages/react-dev-utils/webpackHotDevClient.js

@@ -62,7 +62,7 @@ function addOverlayDivTo(iframe) {
   div.style.fontSize = '10px';
   div.style.padding = '2rem';
   div.style.lineHeight = '1.2';
-  div.style.whiteSpace = 'pre';
+  div.style.whiteSpace = 'pre-wrap';
   div.style.overflow = 'auto';
   iframe.contentDocument.body.appendChild(div);
   return div;

packages/react-error-overlay/src/styles.js

@@ -122,7 +122,7 @@ const preStyle = {
   'margin-top': '0.5em',
   'margin-bottom': '0.5em',
   'overflow-x': 'auto',
-  'white-space': 'pre',
+  'white-space': 'pre-wrap',
   'border-radius': '0.25rem',
   'background-color': 'rgba(206, 17, 38, .05)',
 };