SpringBoot spring.rabbitmq.listener.stream.auto-startup property has no effect

Move the property 'autoStartup' from BaseContainer to AmqpContainer. Fix #38749

As described in the issue, this property is only used by the child classes of the AmqpContainer. The empty BaseContainer class is kept, because in the main branch, other attributes have been added to it.

Because of the affected lines, there might appear merge conflicts with the main branch. If needed, I can create a PR for that as well.

Comment From: mhalbritter

Thank you very much and congratulations on your first contribution :tada:!