Explore benefits and drawbacks of Rush and Branch and improve race

[timonkrebs]

https://dev.epicgames.com/documentation/en-us/uefn/concurrency-overview-in-verse#structuredconcurrency

https://dev.epicgames.com/documentation/en-us/uefn/rush-in-verse https://dev.epicgames.com/documentation/en-us/uefn/branch-in-verse https://simon.peytonjones.org/assets/pdfs/haskell-exchange-22.pdf

Fix Race in that all the signals get evaluated before the branching happens