buffer mapping popup goes away before i can click it

[x37v]

Screen.Recording.2024-06-18.at.6.34.07.AM.mov

[fde31]

that's bc the sorted list of datafiles is a derived, non-memoized selector currently. This wasn't an issue before given that we didn't have consistent dynamic state updates that would cause the reference checks to return false. However, with the CPU load updating frequently we need to memoize derived data