Image Carousel Rotation

[yoshnopa]

Describe the bug
When getting to the last image of a page in galleries, it rotates back to the first one instead of continuing the gallery. This is of course mitigated by just increasing the page count to 1000, but it still is a design flaw that should be fixed in my opinion

To Reproduce
Steps to reproduce the behavior:

1. Galleries or images
2. Change to wall mode, reduce the number of results per page to a minimum
3. Click on image, click on right (with mouse, see Image Navigation #923)
4. Do so until you reach the end of the result page in the carousel and click once more. You're now on the first image again

Expected behavior
It should continue with the first image on the next page

[WithoutPants]

This will require a replacement of the lightbox component. I'll look at doing this in the next release.