Wrapper object use after free

A use after free bug would occur if the internal pointer is used. An internal pointer of a wrapper object remains available after the object is freed
/src/mongo/db/pipeline/document_source_list_local_sessions.cpp:46: WRAPPER_ESCAPE 114987 Calling "back" which extracts wrapped state from "this->_ids".
/src/mongo/db/pipeline/document_source_list_local_sessions.cpp:46: WRAPPER_ESCAPE 114987 Assigning: "id" = "this->_ids.back()".
/src/mongo/db/pipeline/document_source_list_local_sessions.cpp:47: WRAPPER_ESCAPE 114987 Calling "pop_back" invalidates the internal representation of "this->_ids".
/src/mongo/db/pipeline/document_source_list_local_sessions.cpp:49: WRAPPER_ESCAPE 114987 Using invalidated internal representation of "this->_ids".