`infinite` plugin overrides `fastSwipe` behavior

[bmathews]

Describe the bug infinite plugin overrides fastSwipe behavior.

To Reproduce Steps to reproduce the behavior:

1. Go to https://brainhubeu.github.io/react-carousel/docs/examples/swipingSlides
2. Swipe left/right, observe fastSwipe behavior not working as expected
3. Remove 'infinite' from example, observe fastSwipe behavior working

Expected behavior fastSwipe + infinite should be compatible

[haniotis]

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