Integrate Solana into testnet #2401
Description
Describe the Issue
This EPIC groups tasks toward integration of Solana into testnet.
Ability to depositAndCall/withdraw SOL with omnichain smart contracts
TODO: create corresponding issues:
- localnet
- ZetaClient changes
- ZetaCore changes
- Solana contracts
### Tasks
- [ ] https://github.com/zeta-chain/node/issues/2398
- [ ] https://github.com/zeta-chain/node/issues/2404
- [ ] https://github.com/zeta-chain/node/issues/2407
- [ ] https://github.com/zeta-chain/node/issues/2405
- [ ] https://github.com/zeta-chain/node/issues/2406
- [ ] https://github.com/zeta-chain/node/issues/2413
- [ ] https://github.com/zeta-chain/node/issues/2414
- [ ] https://github.com/zeta-chain/protocol-contracts-solana/issues/5
- [ ] https://github.com/zeta-chain/protocol-contracts-solana/issues/6