switched session.metadata to just be a standard dict, fixed shutdown service issue during session.data_collect

daemon/tests/test_grpc.py

@@ -296,9 +296,7 @@ class TestGrpc:
 
         # then
         assert response.result is True
-        assert session.metadata.get_config(key) == value
-        config = session.metadata.get_configs()
-        assert len(config) > 0
+        assert session.metadata[key] == value
 
     def test_get_session_metadata(self, grpc_server):
         # given
@@ -306,7 +304,7 @@ class TestGrpc:
         session = grpc_server.coreemu.create_session()
         key = "meta1"
         value = "value1"
-        session.metadata.set_config(key, value)
+        session.metadata[key] = value
 
         # then
         with client.context_connect():

daemon/tests/test_gui.py

@@ -741,7 +741,7 @@ class TestGui:
 
         coretlv.handle_message(message)
 
-        assert coretlv.session.metadata.get_config(test_key) == test_value
+        assert coretlv.session.metadata[test_key] == test_value
 
     def test_config_broker_request(self, coretlv):
         server = "test"