In my opinion, it doesn't matter, because Steve returning the stones is supposed to erase those timelines, completing the Infinity Stone set so time can repair itself. So just making sure he puts the stones back into their times so the set is complete, the branches should be "clipped", as they say. They should collapse, dissipate, be erased. It doesn't matter about everything looking correct and being in the right place.
But if you want the more fun answer:
https://www.youtube.com/watch?v=4vjs_0CoRs4