`poll` block within `script_in_state` will still be active after transitioning out of the state

[doudou]

In the following example

on :moved_outside do
  transition :inside => :outside
end
script_in_state do
  poll do
     moved_outside_event.emit if condition?
  end
end

the poll block will still be active. The workaround is to explicitely transition out of the poll using transition!, or to use poll_until