Potential Exporting Performance Improvement

[Nusiq]

There is an idea that could potentially improve the performance of Regolith exporting files by watching for the changes in the tmp directory.

The discussion about this topic can be found here: https://discord.com/channels/494194063730278411/896876881410936853/1330157577794752543

TL;DR We can combine the size_time_check experiment with file watching to skip checking the size and modification time of the files that were known to be modified.