fix root in vote state updates #27361

Active on mainnet-beta (epoch 468), testnet (epoch 465) and devnet (epoch 434).

Introduced in solana-labs/solana PR #27323.

Feature id G74BkWBzmsByZ1kxHy44H3wjwp5hp7JbrGRuDpco22tY.

Vortex

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