Combo/SimpleCombo: unnecessary padding when no scrollbar visible

[Timmeeeey]

Description

The Combo and SimpleCombo items have a padding on the right when there is no visible scollbar.

• igniteui-angular version: 20.0.2

Steps to reproduce

1. Go to https://www.infragistics.com/products/ignite-ui-angular/angular/components/simple-combo#cascading-scenario
2. Select a value

Result

The item has a padding on the right despite no scrollbar being visible.

Expected result

There should be no padding if there is no scrollbar.