I found that option, you have to enable a beta feature for that to work, here's how for anyone wondering https://forums.unrealengine.com/showthread.php?530-How-to-enable-Light-Propagation-Volumes-GI-WIP-AND-BETA
You are not suppose to toggle trigger objects nor toggle their Enabled bools, you are to use the Event output on a Toggle action on the trigger to turn them on and off. Enabled itself is never used for in-game on/off switching.
This seems to work: ///////////////////////////// Orthogonal camera toggle ///////////////////////////// // Script by Giacomo Colivicchi (AKA R3D) // // The script enables orthographic mode for the default persp camera // and in order to avoid camera roll (which will happen if you pass your point // of focus' zenith)…