Bug report

Reproduction of the problem

1. Open the Dojo - https://dojo.telerik.com/FLFnHPpW
2. Try to change the start/end of the events by dragging

Current behavior

Incorrect hint is displayed and the events can not be resized correctly.

Expected/desired behavior

The events should be properly resized.

The issue is related to the used theme. The behavior is correct when using the themes version 12.0.0