IBC omnichain integration

[lumtis]

Track tasks for IBC integration into omnichain smart contracts

Some state of researches: https://github.com/zeta-chain/node/issues/1768

### Tasks
- [ ] https://github.com/zeta-chain/node/issues/1510
- [ ] https://github.com/zeta-chain/node/issues/2128
- [ ] https://github.com/zeta-chain/node/issues/2129
- [ ] https://github.com/zeta-chain/node/issues/2130
- [ ] https://github.com/zeta-chain/node/issues/2131
- [ ] https://github.com/zeta-chain/node/issues/2132
- [ ] https://github.com/zeta-chain/node/issues/2163
- [ ] https://github.com/zeta-chain/node/issues/2166
- [ ] https://github.com/zeta-chain/node/issues/2253