[Slider] Add aria-labelledBy and aria-label to slider body

[MarkoOleksiyenko]

Add an option to add the aria-labelledBy for the handles
Add the option to add aria-label, aria-labelledBy to the component itself

[MarkoOleksiyenko]

Component itself should not have the aria values, the screen readers only read the actionable handle values.

Corrections to be applied for the existent component:
aria-label -> should not contain value as SR will read the aria-valuenow
aria-valuetext -> doesn't need the non-sorted index of the handle

Remove the handle from the aria-label as it only can concern handles.