Pivot Grid export to pdf exports totally incorrect data.

[MayaKirova]

Go to:
https://staging.infragistics.com/products/ignite-ui-angular/angular/components/pivotGrid/export-excel#angular-excel-exporter-example

Export to pdf via the button.

The exported data is incorrect:

The group labels are incorrect. Data from the header is also missing. The summary number are also wrong.