Honor endpoint_override for get_session_client

get_session_client is not passing endpoint_override settings to the
Adapter constructor causing the setting to be ignored. Pass the setting
in as a parameter.

Change-Id: I1e57579291a3943fca090100b43905f71b2daab4

openstack/config/cloud_region.py

@@ -350,6 +350,7 @@ class CloudRegion(object):
             version=version_request.version,
             min_version=version_request.min_api_version,
             max_version=version_request.max_api_version,
+            endpoint_override=self.get_endpoint(service_key),
             **kwargs)
 
     def _get_highest_endpoint(self, service_types, kwargs):

releasenotes/notes/fix-endpoint-override-ac41baeec9549ab3.yaml

@@ -0,0 +1,5 @@
+---
+fixes:
+  - |
+    Fixed issue where ``endpoint_override`` settings were not getting passed
+    to the Adapter constructor in ``get_session_client``.