Apply RFC from #3576 that caught a bug.

Co-authored-by: vzotova <vikki.zta@gmail.com>

nucypher/network/server.py

@@ -154,7 +154,7 @@ def _make_rest_app(this_node, log: Logger) -> Flask:
         """
         # TODO: When non-evm chains are supported, bump the version.
         #  this can return a list of chain names or other verifiable identifiers.
-        providers = this_node.condition_providers.providers
+        providers = this_node.condition_provider_manager.providers
         sorted_chain_ids = sorted(list(providers))
         payload = {"version": 1.0, "evm": sorted_chain_ids}
         return Response(json.dumps(payload), mimetype="application/json")

tests/utils/ursula.py

@@ -186,7 +186,7 @@ def setup_multichain_ursulas(chain_ids: List[int], ursulas: List[Ursula]) -> Non
         }
     )
     for ursula in ursulas:
-        ursula.condition_providers = mocked_condition_providers
+        ursula.condition_provider_manager = mocked_condition_providers
 
 
 MOCK_KNOWN_URSULAS_CACHE = dict()