A proposal for better research selection in the scenario editor

[Prologue]

Selecting the various researches that you want to allow or disable at the start of a custom scenario is quite a frustrating process at the moment, certainly if you have a lot of mods that add custom tech trees.

Can we have a user friendly interface to do this? Simply showing the complete tech tree and being able to toggle specific researches on and off by clicking on them would be a great way to quickly get a fresh setup.