Misalignment between the headers and cells of the Scheduler

[ivaylo-milanov]

Describe the bug
There is a visible misalignment between the headers and the cells in the TimelineMonthView of the Scheduler component when using the bootstrap 4 theme theme. The issue occurs when Windows display scaling is set to 125%. Here is the ticket for reference: https://supportheroes.telerik.com/ticket/1665968

To reproduce
Here is a REPL with reproduction: https://netcorerepl.telerik.com/cfulECbH55rXrjQh00

Expected behavior
The headers and cells of the Scheduler to be aligned correctly

Screenshots

Affected package (please remove the unneeded items)

• theme-bootstrap

Affected suites (please remove the unneeded items)

• Telerik UI for ASP.NET Core

Affected browsers (please remove the unneeded items)

• Chrome
• Edge