message: make sure the min-height doesn't get cleared by checkScroll
diff: @@ -635,9 +635,9 @@ module.exports = React.createClass({
  _onTypingVisible: function() {
  const scrollPanel = this.refs.scrollPanel;
  if (scrollPanel && scrollPanel.getScrollState().stuckAtBottom) {
  - scrollPanel.blockShrinking();
  // scroll down if at bottom
  scrollPanel.checkScroll();
  + scrollPanel.blockShrinking();
  }
  },
  