Re-enables zk-elgamal-proof program

Active on mainnet-beta (epoch 982), testnet (epoch 954) and devnet (epoch 1055).

Minimum versions: Agave v4.0.0-beta.0, Firedancer v1.0, Frankendancer v0.902.40002, Jito-Solana v4.0.0-beta.0.

Introduced in anza-xyz/agave PR #10000.

Feature id zkexuyPRdyTVbZqEAREueqL2xvvoBhRgth9xGSc1tMN.

Vortex

• Consensus leaderboard
• Fees leaderboard
• Validators
• Stake pools
• Decentralization
• Client versions
• Cluster status
• Governance
• Feature gates
• SIMDs
• Activity
• API and AI usage