That is the more "modern" way to approach theme renderer overrides. I thought the old way still worked as well, but clearly, in this case at least, it doesn't (I spend most of my time on general backend work, I don't often touch themes so my understanding is a little rusty).
I was going to have a quick look at your problem this afternoon (after getting back from weekend away), so glad to hear you found a solution yourself
I was going to have a quick look at your problem this afternoon (after getting back from weekend away), so glad to hear you found a solution yourself