finally remove dirty struct copy in linux my_application.cc and nsis path fix for flutter 3.19.3
Drone Build Status: success
call prune on staorage start, prune account for extra messages if cap has been adjusted; remove unused maxBuffLines
Drone Build Status: success
call prune on staorage start, prune account for extra messages if cap has been adjusted; remove unused maxBuffLines
Drone Build Status: success