[now dev] Don't include a file in both `filesChanged` and `filesRemoved` list (#2225)
[now dev] Don't include a file in both `filesChanged` and `filesRemoved` list (#2225)

* [now dev] Don't include a file in both `filesChanged` and `filesRemoved` list

This makes it so that if a file is added to the "changed" array, then it
is also removed from the "deleted" array, and vice-versa.

* Only render the "files changed/remove" debug log if there are entries

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