Add check on counterparty upgrade timeout in ack handler

[colin-axner]

Summary

From the spec changes

  timeout = counterpartyUpgrade.timeout
    
    // counterparty-specified timeout must not have exceeded
    // if it has, then restore the channel and abort upgrade handshake
    if (timeout.timeoutHeight != 0 && currentHeight() >= timeout.timeoutHeight) ||
          (timeout.timeoutTimestamp != 0 && currentTimestamp() >= timeout.timeoutTimestamp ) {
            restoreChannel(portIdentifier, channelIdentifier)
    }

In the ack handler, if the counterparty upgrade timeout deadline has elapsed, return an upgrade error so the upgrade is aborted

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