Fixed migration script

(Redmine issue: #7556)

lib/hawat/migrations/versions/87a0d55f56d5_set_email_in_reporting_settings_for_.py

@@ -23,6 +23,9 @@ SET emails_low = ARRAY[groups.name]
 FROM groups
 WHERE
   settings_reporting.emails_low = '{}' AND
+  settings_reporting.emails_medium = '{}' AND
+  settings_reporting.emails_high = '{}' AND
+  settings_reporting.emails_critical = '{}' AND
   groups.id = settings_reporting.group_id""")