Pull request: querylog: fix panic

Merge in DNS/adguard-home from querylog-panic to master

Squashed commit of the following:

commit b7f2edd1d7dd91c0102b9cb4ea50c34d8d9ceb58
Merge: 1b355a2d fac574d3
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Mon Sep 13 20:06:07 2021 +0300

    Merge branch 'master' into querylog-panic

commit 1b355a2df6bd96431a70111607470b873b742562
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Mon Sep 13 19:41:58 2021 +0300

    querylog: fix panic

openapi/openapi.yaml

@@ -1962,14 +1962,14 @@
             The rule due to which the client is allowed or blocked.
         'name':
           'description': >
-            Persistent client's name or runtime client's hostname.
+            Persistent client's name or runtime client's hostname.  May be
+            empty.
           'type': 'string'
         'whois':
           '$ref': '#/components/schemas/QueryLogItemClientWhois'
       'required':
       - 'disallowed'
       - 'disallowed_rule'
-      - 'ids'
       - 'name'
       - 'whois'
       'type': 'object'