Bug report
ScrollView prevents Nested MediaPlayer volume scroller from scrolling


Reproduction of the problem
Dojo: https://dojo.telerik.com/ateLaQoC

Scroll to 3rd page

Scroll volume scrollbar

Expected/desired behavior
Volume scrollbar shall be scrollable


Environment
Kendo UI version: [all]
jQuery version: [all]
Browser: [all]

### Bug report

When the Kendo UI ScrollView widget is bound to local data and the property "navigatable" is set to "true", it cannot be navigated once the last item is reached. 

### Reproduction of the problem

1. Create a navigatable ScrollView widget;

2. Create a DataSource with local data and bind it to the ScrollView widget;

3. Use the keyboard or mouse navigation to reach the last item;

4. Continue navigating after the last item and observe the paging behavior. The last page is repeated.

A Dojo sample for reproduction: https://dojo.telerik.com/OnItEhiN

### Expected/desired behavior

The ScrollView widget should not allow going past the last item/page via the keyboard/mouse navigation.

### Environment

* **Kendo UI version:** 2021.1.330
* **jQuery version: 1.12.4
* **Browser:** [all]

Reproduction of the problem:

1. Go to ScrollView official demo
2. Open the Developer Tools and select "Slow 3G" from the Network Tab 
3. Click on the arrows quickly -> the images start to repeat while the requests are not completed

Bug report

When the data source of the Kendo UI ScrollView is configured to accept a function, two requests are sent. 

Reproduction of the problem

1. Set the read of the data source to function.

2. Set server paging to false (by default is false).

Dojo for reference:

https://dojo.telerik.com/ePIpejar

Environment

* **Kendo UI version:** 2019.3.1023
* **jQuery version:** 1.12.4
* **Browser:** [all]