[2.0] Add option to rename a train stop within the interrupt

[Hares]

What?

Add option to edit the interrupt destination train stop name, same as with the "(Not) on a train stop" condition.

Why?

Common use case for the parameterized interrupts is:

1. Add interrupt condition
2. Select the "[item=iron-ore] Ore Unload" train stop from the list
3. Attempt to rename it to the "[virtual-signal=signal-item-parameter] Ore Unload" and fail it due to lack of ability
4. Manually input "[virtual-signal=signal-item-parameter] Ore Unoad"
5. Make a typo in the train stop name
6. Add new train stop "[virtual-signal=signal-item-parameter] Ore Unload" and copy all conditions
7. Delete the previous train stop
8. Wish for this change
9. Add physical train stop "[virtual-signal=signal-item-parameter] Ore Unload" so it can be selected from the list

Also, for the interrupt condition, this is the case and you can rename a train stop -- you can even rename it after selecting but before confirming.

[mrvn]

+1