Feat: shapella upgrade followups

[TheDZhon]

Cumulative PR headed to #482 (on top of 2.0.0-beta)

High-level overview:

• Seed initial protocol holder to avoid zero total supply / zero total shares corner cases
• Collect summary from NodeOperatorRegistry and report stuck / exited keys in a gas-efficient way (avoid nested loops)
• Resolve No check for report in submitReportData #634
• Resolve an accounting issue with unaccountedEther when deposit is made and StakingRouter had non-zero balance
• Fixes withdrawal request NFT (now it's WithdrawalQueueERC721) edge-cases and ownership issues
• Make stETH permit signing for the token address
• Enforces the validator indexes order in ValidatorExitBus
• Internal comments and minor naming updates
• Add public views for unstaking UI

Contents

• Mint some shares to initial holder on protocol deploy and optimize submit. #608
• Accounting oracle: tests & fixes #618
• Add support of Foundry tests #619
• ValidatorExitBusOracle: add pauser and resumer to initialize() #620
• Feat: pub getter for the EIP-712 stETH helper #621
• Test: MAX_NODE_OPERATORS_COUNT reward distribution gas for NodeOperatorsRegistry #622
• NOR: static totals storage #623
• NOR: signing keys lib refactor #645
• refactor: rename a few shortened names #625
• Deposits accounting #626
• feat: view to get claimable ether for request #627
• refactor: nft renaming #628
• Fix and multiple improvements to OracleReportSanityChecker #629
• Fix: add OracleDaemonConfig to LidoLocator #630
• Fix for nft balanceOf to be decreased after claim #631
• Fix issues from preliminary audit #632
• Forbid transfer to themselves for Withdrawal nft #633
• Fixes related to handleOracleReport and shares burning #636
• Validator exit bus oracle: tests & fixes #637
• WIP ValidatorsExitBus Oracle tests #638
• update handle report test #639
• Feat: embedded EIP712 for StETH #640
• StakingRouter: prevent address duplication #641
• fix rewards distribution tests #643
• Fix module rewards distribution #644
• NFTDescriptor for WithdrawalQueueERC721 #646