I don't do trials, but for those that do, it sounds like a great addon idea.
It seems like something that could potentially be added to great addons like:
Bandits Gear Manager
AlphaGear 2
If you agree, perhaps leave your request on their comment pages?
Maybe
https://www.eso-skillfactory.com/en/build-planer/ might help until someone can implement something in-game?