Add addresses contract code clear to FixContractCreationTransactions migration

apps/explorer/priv/repo/migrations/20230606091935_fix_contract_creation_transactions.exs

@@ -2,6 +2,13 @@ defmodule Explorer.Repo.Migrations.FixContractCreationTransactions do
   use Ecto.Migration
 
   def change do
+    execute("""
+      UPDATE addresses a
+      SET contract_code = NULL
+      FROM transactions t
+      WHERE t.created_contract_address_hash IS NOT NULL AND t.created_contract_address_hash = a.hash AND t.to_address_hash IS NOT NULL;
+    """)
+
     execute("""
       UPDATE transactions
       SET created_contract_address_hash = NULL