[Themes]: Components aren't fully themeable with Ignite UI Theming

[simeonoff]

Which component(s) are affected?

Other/unknown (please specify in the description)

Description

This affects mostly compound components, but all components must be verified.

Reproduction

N/A

Workaround

N/A

Is this a regression?

No or unsure. This never worker, or I haven't tried before.

Affected versions

All

Browser/OS/Node environment

All