Zabbix

..F....... [ZBXNEXT-10733] implemented Subscriptions menu option with new icon instead of obsolete Support option

* commit '30ac91e578cba093d191dbc48ca3e1acd51f9387':
  ..F....... [ZBXNEXT-10733] moved new function on the same place where old one lived before
  ..F....... [ZBXNEXT-10733] removed dead code
  ..F....... [ZBXNEXT-10733] updated Support to Subscriptions on MFA page too + updated related tests
  ..F....... [ZBXNEXT-10733] updated Support to Subscriptions on the login page too
  ..F....... [ZBXNEXT-10733] removed unused zi-support icon and its styles
  ..F....... [ZBXNEXT-10733] updated tests
  ..F....... [ZBXNEXT-10733] implemented Subscriptions menu option with new icon instead of obsolete Support option