This mapping tracks how many open channel requests were accepted by a given recipient para.
Invariant: HrmpOpenChannelRequests should contain the same number of items (_, X) with
confirmed set to true, as the number of HrmpAcceptedChannelRequestCount for X.
This mapping tracks how many open channel requests were accepted by a given recipient para. Invariant:
HrmpOpenChannelRequestsshould contain the same number of items(_, X)withconfirmedset to true, as the number ofHrmpAcceptedChannelRequestCountforX.