fix mirrored eager tensor with empty parallel desc (#4670)

* fix empty parallel desc

* refactor device

* format

* minor fix

* format

* add default environment

* python interface for default environment

* remove mutex

* move hash value to device

* refine

* remove env global object scope

* minor fix

* format

* refine device

* recursively delete log file in default mode

* add directory for default log

* revert

* fix duplicate methods

* try to fix multiprocess faill

* add default init env

* minor fix

* rename

Co-authored-by: oneflow-ci-bot <69100618+oneflow-ci-bot@users.noreply.github.com>