query packet unreceived-packets panics if relayer hasn't performed channel handshake yet

[romac]

Crate

relayer-cli

Summary of Bug

query packet unreceived-packets panics if relayer hasn't performed channel handshake yet

Version

master (1e5f2dc6d1a0c88aa4fb4c4a9138bf1ca7f93fee)

Steps to Reproduce

1. ./dev-env
2. cargo run -- -c config.toml query packet unreceived-packets ibc-1 ibc-0

Output:

The application panicked (crashed).
Message:  called `Option::unwrap()` on a `None` value
Location: relayer-cli/src/commands/query/packet.rs:258

https://github.com/informalsystems/ibc-rs/blob/1e5f2dc6d1a0c88aa4fb4c4a9138bf1ca7f93fee/relayer-cli/src/commands/query/packet.rs#L257

The channel.counterparty().channel_id() is None:

[relayer-cli/src/commands/query/packet.rs:255] &channel = ChannelEnd {
    state: Uninitialized,
    ordering: Unordered,
    remote: Counterparty {
        port_id: PortId(
            "defaultPort",
        ),
        channel_id: None,
    },
    connection_hops: [],
    version: "",
}

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