Electra alpha8 spec updates (#6496)

* Fix partial withdrawals count

* Remove get_active_balance

* Remove queue_entire_balance_and_reset_validator

* Switch to compounding when consolidating with source==target

* Queue deposit requests and apply them during epoch processing

* Fix ef tests

* Clear todos

* Fix engine api formatting issues

* Merge branch 'unstable' into electra-alpha7

* Make add_validator_to_registry more in line with the spec

* Address some review comments

* Cleanup

* Update initialize_beacon_state_from_eth1

* Merge branch 'unstable' into electra-alpha7

* Fix rpc decoding for blobs by range/root

* Fix block hash computation

* Fix process_deposits bug

* Merge branch 'unstable' into electra-alpha7

* Fix topup deposit processing bug

* Update builder api for electra

* Refactor mock builder to separate functionality

* Merge branch 'unstable' into electra-alpha7

* Address review comments

* Use copied for reference rather than cloned

* Optimise and simplify PendingDepositsContext::new

* Merge remote-tracking branch 'origin/unstable' into electra-alpha7

* Fix processing of deposits with invalid signatures

* Remove redundant code in genesis init

* Revert "Refactor mock builder to separate functionality"

This reverts commit 6d10456912.

* Revert "Update builder api for electra"

This reverts commit c5c9aca6db.

* Simplify pre-activation sorting

* Fix stale validators used in upgrade_to_electra

* Merge branch 'unstable' into electra-alpha7

beacon_node/store/src/partial_beacon_state.rs

@@ -136,7 +136,7 @@ where
     pub earliest_consolidation_epoch: Epoch,
 
     #[superstruct(only(Electra))]
-    pub pending_balance_deposits: List<PendingBalanceDeposit, E::PendingBalanceDepositsLimit>,
+    pub pending_deposits: List<PendingDeposit, E::PendingDepositsLimit>,
     #[superstruct(only(Electra))]
     pub pending_partial_withdrawals:
         List<PendingPartialWithdrawal, E::PendingPartialWithdrawalsLimit>,
@@ -403,7 +403,7 @@ impl<E: EthSpec> TryInto<BeaconState<E>> for PartialBeaconState<E> {
                     earliest_exit_epoch,
                     consolidation_balance_to_consume,
                     earliest_consolidation_epoch,
-                    pending_balance_deposits,
+                    pending_deposits,
                     pending_partial_withdrawals,
                     pending_consolidations
                 ],