Pull request 1795: 5661-imp-querylog-logging

Updates #5661.

Squashed commit of the following:

commit 3fac63fb4ac906e61f6bb2d2af5408771d93a206
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Mar 31 17:24:00 2023 +0300

    querylog: imp locks even more

commit bf14ab9a5ea1be83ac156dc5f3d7f3717d50767b
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Mar 31 17:09:25 2023 +0300

    querylog: imp locks more

commit 40e885f39b4c38dcd387d4799529b0fa150ed520
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Mar 31 16:26:15 2023 +0300

    querylog: imp locks, logs

internal/querylog/qlogreader.go

@@ -106,6 +106,7 @@ func (r *QLogReader) SeekStart() error {
 
 	r.currentFile = len(r.qFiles) - 1
 	_, err := r.qFiles[r.currentFile].SeekStart()
+
 	return err
 }