Strict count unrealized (#3522)

## Issue Addressed

Add a flag that can increase count unrealized strictness, defaults to false

## Proposed Changes

Please list or describe the changes introduced by this PR.

## Additional Info

Please provide any additional information. For example, future considerations
or information useful for reviewers.


Co-authored-by: realbigsean <seananderson33@gmail.com>
Co-authored-by: sean <seananderson33@gmail.com>

beacon_node/beacon_chain/src/beacon_chain.rs

@@ -65,6 +65,7 @@ use itertools::process_results;
 use itertools::Itertools;
 use operation_pool::{AttestationRef, OperationPool, PersistedOperationPool};
 use parking_lot::{Mutex, RwLock};
+use proto_array::CountUnrealizedFull;
 use safe_arith::SafeArith;
 use slasher::Slasher;
 use slog::{crit, debug, error, info, trace, warn, Logger};
@@ -433,6 +434,7 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
     pub fn load_fork_choice(
         store: BeaconStore<T>,
         reset_payload_statuses: ResetPayloadStatuses,
+        count_unrealized_full: CountUnrealizedFull,
         spec: &ChainSpec,
         log: &Logger,
     ) -> Result<Option<BeaconForkChoice<T>>, Error> {
@@ -449,6 +451,7 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
             persisted_fork_choice.fork_choice,
             reset_payload_statuses,
             fc_store,
+            count_unrealized_full,
             spec,
             log,
         )?))
@@ -2934,6 +2937,7 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
                 ResetPayloadStatuses::always_reset_conditionally(
                     self.config.always_reset_payload_statuses,
                 ),
+                self.config.count_unrealized_full,
                 &self.store,
                 &self.spec,
                 &self.log,