Enabling SSLF overrides disabling bloom in the frame settings, which is not super user frendly

Info here : https://forum.unity.com/threads/disabling-post-processing-effects-in-the-default-volume-profile.1545362/#post-9891525

The idea would be to prompt the user to activate bloom in the frame settings in the SSLF override if it's disabled and not re-enable it silently behind their back.