Connection specific oc location taken even after override oc location is reset

ASSERT: have no oc binary configured at preferences
ASSERT: have an oc configured at the connection level and override set
EXEC: create a server adapter
ASSERT: no warning about oc version should be displayed
ASSERT: reset the oc override flag for the connection
EXEC: create a server adapter
ASSERT: a warning about oc should be set, but it is not