message: (pd) StepCreationButton closes when you click "+Add Step"
diff: @@ -36,12 +36,13 @@ class StepCreationButton extends React.Component<StepCreationButtonProps> {
  }
  render () {
  - const {expanded, onExpandClick, onStepClick} = this.props
  + const {expanded, onExpandClick, onStepClick, onClickAway} = this.props
  return (
  <div ref={ref => { this.ref = ref }}>
  - <PrimaryButton onClick={onExpandClick}>+ Add Action</PrimaryButton>
  + <PrimaryButton onClick={expanded ? onClickAway : onExpandClick}>+ Add Action</PrimaryButton>
  {expanded && map(stepIconsByType, (iconName, stepType) =>
  <PrimaryButton
  + key={stepType}
  onClick={onStepClick(stepType)}
  iconName={iconName}
  >
  