Start value doesn't updates in 1 handle mode for nouislider version greather 8.1

[kirillsud]

Background

Used nouislider library with version >= 8.2.

Steps

1. Open Basic example.
2. Change the first value by entering any other number in input.
3. Check that first slider position changes in the right way.
4. Change the first value by slider handler.

   Actual

5. Handler position didn't change.
6. First value didn't update.

   Expected

7. Handler position should be placed under cursor position.
8. First value should be updated.

   Screencast

[kirillsud]

Moved issue to pull request