@GitHK review: make more general

Author: sanderegg

services/web/server/src/simcore_service_webserver/projects/_projects_service.py

@@ -1568,7 +1568,7 @@ async def _open_project() -> bool:
                 # check if the project is already opened
                 if (
                     current_project_ids := await user_session.find(PROJECT_ID_KEY)
-                ) and current_project_ids == [f"{project_uuid}"]:
+                ) and f"{project_uuid}" in current_project_ids:
                     _logger.debug(
                         "project %s is already opened by user %s/%s",
                         project_uuid,