Integrate Solana into testnet

[lumtis]

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

Beta Give feedback

1. Build multi-architecture solana test validator docker image #2398
   chain:solana +1
   
2. Add Solana static chain info #2404
   zetacore +1
   
3. Integrate local Solana chain in localnet #2407
   E2E chain:solana +2
   
4. Solana Deposit E2E test #2405
   E2E +1
   
5. Solana Withdraw E2E test #2406
   E2E +1
   
6. Solana observer implementation for ZetaClient #2413
   zetaclient +1
   
7. Solana signer implementation for ZetaClient #2414
   zetaclient +1
   
8. withdraw_spl_token: add mint in params and validate in the instruction processor protocol-contracts-solana#5
   +0
   
9. commit chain id into the message_hash & signature protocol-contracts-solana#6
   +0
   

[lumtis]

All task completed