BookInfo: Saner database migration (#7039)
BookInfo: Saner database migration (#7039)

Avoid opening two connections in //, by feeding the current connection
to saveSetting, like we were already doing for loadSettings...

It somehow worked just fine on Kobo/Emu, but blew up in fun and
interesting ways on Kindle, probably because of the Fuse proxy.

It was still pretty dumb nonetheless.
poire-z/koreader,koreader/koreader,Frenzie/koreader,Markismus/koreader,mwoz123/koreader,poire-z/koreader,pazos/koreader,NiLuJe/koreader,Hzj-jie/koreader,NiLuJe/koreader,Frenzie/koreader,koreader/koreader