cephfs: correct the id for cephfs locks

There was a discrepancy between the objectId
when creating the lock and when releasing the lock
this caused every lock to hang.

Signed-off-by: NymanRobin <robin.nyman@est.tech>

internal/cephfs/nodeserver.go

@@ -151,7 +151,7 @@ func maybeUnlockFileEncryption(
 	}
 	defer ioctx.Destroy()
 
-	res, err := ioctx.LockExclusive(volOptions.VolID, lockName, lockCookie, lockDesc, lockDuration, &flags)
+	res, err := ioctx.LockExclusive(string(volID), lockName, lockCookie, lockDesc, lockDuration, &flags)
 	if res != 0 {
 		switch res {
 		case -int(syscall.EBUSY):