feat(tests): add delayed ratification wait in guardrails

Added a call to governance_utils.wait_delayed_ratification in the
cluster_with_constitution function to ensure proper handling of delayed
ratification in the test_guardrails.py file.

Author: mkoura

cardano_node_tests/tests/tests_conway/test_guardrails.py

@@ -141,6 +141,8 @@ def _enact_script_constitution():
             constitution_url = "http://www.const-with-plutus.com"
             constitution_hash = "0000000000000000000000000000000000000000000000000000000000000000"
 
+            governance_utils.wait_delayed_ratification(cluster_obj=cluster)
+
             _, action_txid, action_ix = conway_common.propose_change_constitution(
                 cluster_obj=cluster,
                 name_template=temp_template,