No ripple feeback when md-icon-button is clicked programmatically.

[vdegenne]

What is affected?

Component

Description

When using .click() on <md-icon-button> family the ripple effect is not shown.
Comparatively the ripple is displayed when using .click() on <md-text-button>.

Reproduction

https://lit.dev/playground/#gist=44756f24a0961696d0ec3648f7e5d9d3

Workaround

No workaround found.

Is this a regression?

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

Affected versions

1.3.0

Browser/OS/Node environment

everywhere