Prevent minion reuse error for Replica deployments.

Ensure that the minion manager does not bother trying to reuse
destination transfer minions for Replica deployments or if no transfer
minions were requested to begin with.

coriolis/minion_manager/rpc/server.py

@@ -901,7 +901,8 @@ class MinionManagerServerEndpoint(object):
                 if action['destination_minion_pool_id'] and (
                         include_osmorphing_minions and (
                             osmorphing_pool_id == (
-                                action['destination_minion_pool_id']))):
+                                action['destination_minion_pool_id']) and (
+                                    include_transfer_minions))):
                     LOG.debug(
                         "Reusing destination minion pool with ID '%s' for the "
                         "following instances which had it selected as an "