Describe the bug
The layout of the column menu popup window, inside the Native Grid, is different when using version 4.x.x and version 5.x.x. of the Kendo Themes.

• The issue is replicable with all Kendo Themes

To Reproduce

1. Open this example
2. Click on the column menu of the Name column
3. Inside the column menu, click on "filter"

Expected behavior
There should be a space between the different elements in the column menu -> filter popup

Screenshots