Gloas spec v1.7.0-alpha.5 and beacon_chain tests (#8998)

Fix database pruning post-Gloas


  - Fix DB pruning logic (and state summaries DAG)
- Get the `beacon_chain` tests running with `FORK_NAME=gloas` 🎉


Co-Authored-By: Michael Sproul <michael@sigmaprime.io>

Co-Authored-By: Jimmy Chen <jchen.tc@gmail.com>

Co-Authored-By: Eitan Seri- Levi <eserilev@gmail.com>

Co-Authored-By: dapplion <35266934+dapplion@users.noreply.github.com>

Co-Authored-By: Eitan Seri-Levi <eserilev@ucsc.edu>

beacon_node/beacon_chain/src/pending_payload_envelopes.rs

@@ -87,12 +87,13 @@ mod tests {
 
     fn make_envelope(slot: Slot) -> ExecutionPayloadEnvelope<E> {
         ExecutionPayloadEnvelope {
-            payload: ExecutionPayloadGloas::default(),
+            payload: ExecutionPayloadGloas {
+                slot_number: slot,
+                ..ExecutionPayloadGloas::default()
+            },
             execution_requests: ExecutionRequests::default(),
             builder_index: 0,
             beacon_block_root: Hash256::ZERO,
-            slot,
-            state_root: Hash256::ZERO,
         }
     }