Remove unneeded repacking (Consensys#8222)

Author: zilm13

storage/src/main/java/tech/pegasys/teku/storage/server/kvstore/dataaccess/CombinedKvStoreDao.java

@@ -336,16 +336,12 @@ public Optional<UInt64> getOptimisticTransitionBlockSlot() {
 
   @Override
   public Optional<Bytes> getBlobSidecar(final SlotAndBlockRootAndBlobIndex key) {
-    return db.get(
-        schema.getColumnBlobSidecarBySlotRootBlobIndex(),
-        new SlotAndBlockRootAndBlobIndex(key.getSlot(), key.getBlockRoot(), key.getBlobIndex()));
+    return db.get(schema.getColumnBlobSidecarBySlotRootBlobIndex(), key);
   }
 
   @Override
   public Optional<Bytes> getNonCanonicalBlobSidecar(final SlotAndBlockRootAndBlobIndex key) {
-    return db.get(
-        schema.getColumnNonCanonicalBlobSidecarBySlotRootBlobIndex(),
-        new SlotAndBlockRootAndBlobIndex(key.getSlot(), key.getBlockRoot(), key.getBlobIndex()));
+    return db.get(schema.getColumnNonCanonicalBlobSidecarBySlotRootBlobIndex(), key);
   }
 
   @MustBeClosed