minor: change to the config in the frontend server (#208)

Summary:
We changed the structure of the config in the frontend server. Need to update the way we extract the actual endpoint.

Author: GregoryEssertel

test/commands/exec_test.py

@@ -14,7 +14,7 @@ def queue_test_success_res(sessionId="testSessionId"):
 
 
 def app_config_res():
-    return {"hostManifest": {"lab": {"workcell": "something.bar.foo"}}}
+    return {"hostManifest": {"lab": {"workcell": {"url": "something.bar.foo"}}}}
 
 
 def mock_api_endpoint():

transcriptic/commands.py

@@ -1595,7 +1595,7 @@ def execute(
             ):
                 frontend_node_address = res_json["hostManifest"][path_lab][
                     path_workcell
-                ]
+                ]["url"]
             else:
                 click.echo(
                     f"Error when get frontend node address: {res_json}", err=True