DateTimePicker Calendar headers are not aligned correctly

[Juveniel]

Describe the bug

DateTimePicker Calendar headers are not aligned correctly

To reproduce

https://www.telerik.com/kendo-angular-ui/components/dateinputs/datetimepicker/

Expected behavior

Calendar headers should be stretched so that they align correctly with the columns below.

Screenshots

Affected package (please remove the unneeded items)

• theme-default
• theme-bootstrap
• theme-material
• theme-tasks

Affected suites (please remove the unneeded items)

• Kendo UI for jQuery
• Kendo UI for Angular
• Kendo UI for React
• Kendo UI for Vue
• Telerik UI for Blazor

Affected browsers (please remove the unneeded items)

• All

Build system information (please remove the unneeded items)

• Not Applicable

[Juveniel]

related to: https://github.com/telerik/kendo-themes/pull/3734

[JoomFX]

It will be fixed in the Kendo Angular Calendar component (instead of in Kendo Themes).