Packet proof of `TimeoutOnClose` packets for ordered channels is wrong

[plafer]

Summary of Bug

Looking at ChainEndpoint::proven_packet(PacketMsgType::TimeoutOnClose) for CosmosSdkChain, we build a ReceiptPath, which is only correct if the channel is unordered. For ordered channels, we should query the SeqRecvsPath to build the proof.

@ancazamfir:

indeed we need to do like this for this case.

Version

v0.15.0

---

For Admin Use

• [ ] Not duplicate issue
• [ ] Appropriate labels applied
• [ ] Appropriate milestone (priority) applied
• [ ] Appropriate contributors tagged
• [ ] Contributor assigned/self-assigned