Here is the Fix i made for File Manager Disconnect .. Hope i help
Flash it thru TWRP .. Merry Christmas to all ..
Link :
https://drive.google.com/file/d/1ek1djiEmQ3VnU4zYDLsSbpQC3oX4Jrtq/view?usp=drivesdk
Link :
https://drive.google.com/file/d/1ek1djiEmQ3VnU4zYDLsSbpQC3oX4Jrtq/view?usp=drivesdk