fix: adapt to bec_lib changes (no more submodules in __init__.py)

bec_widgets/cli/client_utils.py

@@ -12,9 +12,11 @@ import uuid
 from functools import wraps
 from typing import TYPE_CHECKING
 
-from bec_lib import MessageEndpoints, ServiceConfig, messages
-from bec_lib.connector import MessageObject
+from bec_lib import messages
 from bec_lib.device import DeviceBase
+from bec_lib.endpoints import MessageEndpoints
+from bec_lib.service_config import ServiceConfig
+from bec_lib.utils.import_utils import lazy_import, lazy_import_from
 from qtpy.QtCore import QCoreApplication
 
 import bec_widgets.cli.client as client