Change: Move useUserTimezone hook to hooks directory

src/web/components/date/datetime.jsx

@@ -8,7 +8,7 @@ import {dateTimeWithTimeZone, ensureDate} from 'gmp/locale/date';
 import {isDefined, hasValue} from 'gmp/utils/identity';
 
 import PropTypes from 'web/utils/proptypes';
-import useUserTimezone from 'web/utils/useUserTimezone';
+import useUserTimezone from 'web/hooks/useUserTimezone';
 
 const DateTime = ({formatter = dateTimeWithTimeZone, timezone, date}) => {
  date = ensureDate(date);

src/web/components/menu/usermenu.jsx

@@ -25,7 +25,7 @@ import Theme from 'web/utils/theme';
 import useGmp from 'web/utils/useGmp';
 import useUserName from 'web/hooks/useUserName';
 import useUserSessionTimeout from 'web/hooks/useUserSessionTimeout';
-import useUserTimezone from 'web/utils/useUserTimezone';
+import useUserTimezone from 'web/hooks/useUserTimezone';
 
 const UserMenu = styled.span`
  display: inline-flex;

src/web/utils/__tests__/useUserTimezone.jsx → src/web/hooks/__tests__/useUserTimezone.jsx

@@ -7,7 +7,7 @@ import {describe, test, expect} from '@gsa/testing';
 
 import {setTimezone as setTimezoneAction} from 'web/store/usersettings/actions';
 
-import {rendererWith, fireEvent} from '../testing';
+import {rendererWith, fireEvent} from 'web/utils/testing';
 
 import useUserTimezone from '../useUserTimezone';