Changes to List Workspace Tree

api operation id list_files_sessions__session_id__workspace_tree_get removed and replaced with list_workspace_tree_sessions__session_id__workspace_tree_get

added the non-success response with the status 409

api operation id workspace_tree_sessions__session_id__workspace_tree_get removed and replaced with list_files_sessions__session_id__workspace_tree_get

api tag workspace added

added the required property artifacts to the response with the 200 status

added the required property files to the response with the 200 status

added the required property session_id to the response with the 200 status

endpoint added