yi-hack-MStar 0.4.8

Fix/improve rtsp watchdog
Improve privacy.sh
Update mqttv4 to the last commit
Fix cron schedule for ftppush
Update onvif_srvd to the last commit
Update dropbear to 2022.82
Improve preset web service
Fix bug in getlastrecordedvideo.sh
Fix passwd after reset to default
Add sftp-server
Change human and baby cry detection strategy
Update live555 to the last version
Check if imggrabber is already running
Add option to force low res snapshots
Add option to disable thumbnails creation
Other changes about human/baby detection
Add trick to upload fw locally
Add cgi to play audio file
Add timing info as an option
Add cruise and preset remove to ipc_cmd
Avoid packets fragmentation
Add support for cruise
Improve ptz preset management
Improve HA integration (thanks to @duhow)
Remove client id from mosquitto_pub
Add/improve local fw update feature