Fix `onEndReached` not firing sometimes on web (#4728)
* handle off screen visibility observer.
* Revert "handle off screen visibility observer."
This reverts commit e499ea0ed66b31964f79261b41f58a288b0cdb6f.
* key ftw
* Remove special case
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Co-authored-by: Dan Abramov <dan.abramov@gmail.com>
authored by