Test if building one overall collision mesh shape for microbes performs better

[hhyyrylainen]

this was advice on improving performance we received. We can combine all of the normal organelles into one collision shape, and then pili to another or just keep pili as separate cone shapes. This way we can still detect all the collisions in a way the gameplay code can function the same. This may improve the performance as there'll be fewer shapes the microbe collisions are composed of.

https://forum.revolutionarygamesstudio.com/t/increasing-game-performance/841/15

related to: #3016