Add AGENT_CONNECTED constant to ResourceConstants (#2255)

Introduced a new constant AGENT_CONNECTED in the ResourceConstants class to
Represent the status when an agent is successfully connected.
Signed-off-by: Shahaf Bahar <sbahar@redhat.com>

ocp_resources/utils/resource_constants.py

@@ -47,6 +47,7 @@ class Type:
             NETWORK_READY: str = "NetworkReady"
             SUCCESSFUL: str = "Successful"
             RUNNING: str = "Running"
+            AGENT_CONNECTED: str = "AgentConnected"
 
     class Type:
         CLUSTER_IP = "ClusterIP"