Fix race conditions in database connection (#662)

Fix race conditions in database connection (#662)

* fix race conditions in db additions and match logic

* extend spotify timeout

* do not crash on m4a files

* small fix for non working playlist based radio streams

* ignore unavailable player in config

* cleanup hash methods

* some low hanging fruit in preventing race conditions

* ditch databases package - use aiosqlite directly

* use hash for itemmapping

* no need for locking the provider mappoings table

* restore sync of all items

* fix audio streaming

* small bug in qobuz

* fix locking logic

* improve readability by using guards

* lint