dragable when the is less or same number of slide than number of slide to show

[badoubadou]

Describe the bug You can drag the slides when you have 3 slides in the hooper, and 3 itemsToShow in the settings.

To Reproduce Steps to reproduce the behavior:

1. make a 3 slider hooper
2. set setting to 3 itemsToShow and infiniteScroll to false
3. try to drag slide and it will drag.

Expected behavior It should do nothing. the slide should be deactivated, since there is no hidden slide to show.

Desktop (please complete the following information):

• OS: macOS
• Browser chrome, safari