Vladimir Bogomolov

Overlay doesn't calculate its position fit based on the outlet but based on the document

11

### Description Describe the issue. * igniteui-angular version: 10.2.x * browser: any ### Steps to reproduce 1. The viewport fit calculation is based on the document instead of the provided...

Expose onAttach event for overlay service

7

## Is your feature request related to a problem? Please describe. We want to patch the overlay info on each open of the overlay. We used to do that `onOpening`...