Fortigate - Workaround Blast Radius Mitigation

In versions 7.2.11, 7.4.6 and 7.6.1 Fortigate introduced mitigation overrides for the Blast Radius mitigation they introduced in the version before, it can be enabled from the cli per server

config user radius
    edit "radius"
        set server "xx.xx.xx.xx"
        set require-message-authenticator disable
    next
end