Hide Booking date picker if payments are not in use.

The reason is that the dates are not shown to the other party if
there's only normal conversation without payments
`MarketplaceService::Community::Query` makes a HTTP request to another service (ok, currently it doesn't, but that's how we should think about it) so it's not a responsibility of the view layer to make HTTP requests. Could you do this in the controller action and pass it to the view in `locals` hash?