Pull request 734: + client: 1778 Add ip sort function, write unit tests

Close #1778

Squashed commit of the following:

commit ba63e147311799b17deaa97d7a12c2e0ec44a2ed
Merge: 143ba427 705a9d90
Author: ArtemBaskal <a.baskal@adguard.com>
Date:   Thu Aug 13 12:00:10 2020 +0300

    Merge branch 'master' into feature/1778

commit 143ba42707da3d7eece9f3e137a8b245f7f7888f
Merge: 483d2ff9 97df1989
Author: ArtemBaskal <a.baskal@adguard.com>
Date:   Thu Aug 13 11:16:46 2020 +0300

    Merge branch 'master' into feature/1778

commit 483d2ff9fa3de706d94a647701f1d26a3bcbb217
Author: ArtemBaskal <a.baskal@adguard.com>
Date:   Wed Aug 12 13:34:21 2020 +0300

    Always put ipv4 before ipv6 in sort, add invalid input unit tests

commit 26eb41b313785fe7ffaf98a7573cc5eef0dca14f
Author: ArtemBaskal <a.baskal@adguard.com>
Date:   Wed Aug 12 11:27:46 2020 +0300

    Rewrite tests: replace ipv4-mapped adresses

commit 4ecf287fd46945effe9ff11cfc9ae49217b9c796
Author: ArtemBaskal <a.baskal@adguard.com>
Date:   Tue Aug 11 19:05:15 2020 +0300

    Minor fix

commit 3e5e2a6bb1f2f166619da54e5ade0904fe22a20d
Author: ArtemBaskal <a.baskal@adguard.com>
Date:   Tue Aug 11 19:01:26 2020 +0300

    + client: 1778 Add ip sort function, write unit tests

client/src/components/Settings/Clients/AutoClients.js

@@ -8,6 +8,7 @@ import CellWrap from '../../ui/CellWrap';
 
 import whoisCell from './whoisCell';
 import LogsSearchLink from '../../ui/LogsSearchLink';
+import { sortIp } from '../../../helpers/helpers';
 
 const COLUMN_MIN_WIDTH = 200;
 
@@ -18,6 +19,7 @@ class AutoClients extends Component {
             accessor: 'ip',
             minWidth: COLUMN_MIN_WIDTH,
             Cell: CellWrap,
+            sortMethod: sortIp,
         },
         {
             Header: this.props.t('table_name'),