* make sure we release lock when solution is closed by setting working folder to null

* verify solution close removing working folder

* fixed re-enterance bug in async operation listener.

basically we are calling SetResult inside of a lock and since we used regular lock which allows re-enterance, we sometimes ran arbitary code under lock which re-entered async operation listener and mess everything up.

changed to non re-enterance lock so that it explicitly throws if re-enterance happens.

and make sure call SetResult from other thread (out side of the lock).

* use new task creation option

* renamed methods to have NoLock

* updated comment

Add missing format for same file extraction. It was removed from GetSolutionWithOriginalTypeUpdatedAsync

* clean up code around suggestedaction telemetry

* added a tool in roslyn diagnostic window to dump fixer telemetry info