Fix tests in Angular 9 Update

[hanastasov]

This PR updates the product to Angular 9 and there are those failing tests:

Calendar and Date Picker:

• Multi-View Calendar - [ ] DatePicker/Calendar Integration Tests - [ ] Verify opening Multi View Calendar from datepicker
• Multi-View Calendar - [ ] DatePicker/Calendar Integration Tests - [ ] Verify setting hideOutsideDays and monthsViewNumber from datepicker
• IgxCalendar Rendered Component Calendar selection - [ ] outside of current month - [ ] 1
• Should be able to change month

IgxPaginator:

• should calculate correctly pages when custom select options are given
• should add perPage in the select options if not already there

Slider, Circular and Radial Bar:

• Should update value when we try to decrease it (without animation)
• Value should not exceed the max limit when operating with floating numbers
• The template should be applied correct
• Should update value when we try to decrease it (without animation)
• Value should not exceed the max limit when operating with floating numbers
• Value should remain to the max one if it exceeds.
• When setting min and max value for range slider,
• should change toast position to bottom, the rest should be undefined

[zdrawku]

Fixed and related to:

• Fix tests failing with Ivy - P4 #6693
• Fix tests failing with Ivy - P3 #6692
• Fix tests failing with Ivy - P2 #6691
• Fix tests failing with Ivy - P1 #6690