[Indigo]: Input / Combo / Select prefix and suffix icons do not match WC

[RivaIvanova]

Description

The medium and large sizes for the Angular components (input/combo/select) are 16px, while for the WC components, they are 16px and 18px.

Size	Angular	WC
small	14px	14px
medium	16px	16px
large	16px	18px

• igniteui-angular version:
• browser:

Steps to reproduce

1. Open the igniteui-angular dev demos and change the theme to Indigo.
2. Open http://localhost:4200/input-group or http://localhost:4200/combo-showcase
3. Change the size to Large and observe the icon prefix and suffix.

Result

The sizes differ.

Expected result

The Angular ones should be like the WC ones.

Attachments

[SisIvanova]

The icon size discrepancy was fixed in this PR - IgniteUI/igniteui-webcomponents#1870