Hello I already did this question in 5.4 but I didnt have an answer. Since 5.4 epic deleted somehow the visualize mode of only drawing geometry that was causing VSM invalidations and I am wondering why because it was very useful, it doesnt appear in 5.5 too.
I’m glad it’s not only me looking for that option. I’ve used to call it from console but its missing as well 
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Hope we can have an answer, now is pretty hard to solve invalidations, specially when the project gets a bit complex
Looking for the same thing.