message: Fix namespace scrollbar for non-webkit browsers
  - I was using "overflow: overlay" which is only supported
  on webkit, changed it to auto and is working properly on
  both chrome and firefox.
diff: @@ -46,7 +46,7 @@ const namespaceValueStyle = style({
  const popoverMarginBottom = 20;
  const namespaceContainerStyle = style({
  - overflow: 'overlay'
  + overflow: 'auto'
  });
  interface ReduxProps {
  