Tabs Pagination is shown even when not required

[rossanmol]

Bug, feature request, or proposal:

Bug

What is the expected behavior?

The arrows should not show after 3 seconds.

What is the current behavior?

The arrows (pagination) are always shown.

What are the steps to reproduce?

Stackblitz example: https://stackblitz.com/edit/angular-qrcbtt

The arrows (pagination) are still showing after timeout of 3 seconds, even though they are not required.

1. Open the Stackblitz example
2. Wait for 3 seconds
3. Notice that the pagination is now redundant.

What is the use-case or motivation for changing an existing behavior?

Which versions of Angular, Material, OS, TypeScript, browsers are affected?

Latest as listed in Stackblitz example dependencies.

Is there anything else we should know?

This causes issues when using translate pipe (provided by @ngx-translate/core) with long translation key such as;
github-example-page.feature.feature.body.header.title

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