[Scheduler] Events render incorrectly when kendoSchedulerMonthDaySlotTemplate and kendoSchedulerMultiWeekDaySlotTemplate are used

[yanmariomenev]

Describe the bug
It seems that the events take into consideration both template heights and render the events based on that high. This will result in an undesired rendering where the events are no longer visible or in the wrong position. For the rest of the slot templates that render in other views, the events are rendered correctly.

To Reproduce
Steps to reproduce the behavior:
Open the following example and adjust the height inside the slot template:
https://stackblitz.com/edit/angular-qv9ruh-vabkry?file=src%2Fapp%2Fapp.component.ts

            <ng-template kendoSchedulerMonthDaySlotTemplate let-date="date">
                <div class="test month" style="height: 50%">{{ date | kendoDate }}</div>
            </ng-template>

Expected behavior
The events rendering should not rely on the template dimensions.