Replace oneflow_worker with worker agent (#4900)

* naive impl

* refine

* refine

* add log

* refine

* refine

* refine

* refine

* add todo

* refine

* refine

* sync dynamic libs

* refine

* fix docker cmd

* fix rank

* refine

* refine

* add callbacks simple rpc

* refine

* refine

* fix

* refine

* refine

* refine

* fix conn

* support tradional mode

* refine

* refine

* refine

* rm

* refine

* refine

* refine

* refine todo

* refine

* refine

* rm unused

* rm todo

* revert

* refine

* add log

* refine

* refine

* fix order

* refine

* refine

* refine

* refine

* refine

* refine

* refine

* rm

* rename

* add comment

* refine

* rm

* refine

* refine

* refine

* refine

* add todo

* add info

* refine

* refine

* refine

* add back some legacy code

* refine

* refine

* refine

* refine

* refine

* rm oneflow_worker exe

* rm log

* fix bug

* support --cmd

* add check

* refine

* fix

* fmt