[Bug][DropDownTree] If there is no "label" set to the component, the "style" properties are not set to the wrapping element

[kdikov82]

Describe the bug
If the DropDownTree has set "label", it is possible to add styles (as width) to the wrapping element, but if there is no label, the "style" values are not set.

To Reproduce
Steps to reproduce the behavior:

Expected behavior
Both configuration from the example must have the same width

Screenshots
If applicable, add screenshots to help explain your problem.

Version: 5.1.0

Workaround: wrap the DropDownTree in a DIV with the style property

[zdravkov]

The issue is fixed in the latest 'dev' version of Kendo UI for Vue and will be added to the next official release, too - https://stackblitz.com/edit/ggklvo-w9g9oh?file=package.json