bug(mat-tab-group): empty space in tab-group after last tab deletion

[gkrzysztofbury]

Is this a regression?

• Yes, this behavior used to work in the previous version

The previous version in which this bug was not present was

No response

Description

In certain conditions when removing tab the blank space remains.

Reproduction

Can be reproduced on angular components demo page: https://material.angular.io/components/tabs/examples#tab-group-dynamic

https://youtu.be/LAtw54i27wE

Steps to reproduce:

1. Create many tabs, paggination buttons must be visible
2. Scroll to the last tab
3. Delete it

Expected Behavior

Deleted tab disappears and whole tab grup is scrolled to fill blank space

Actual Behavior

Deleted tab disappears blank space remains.

Environment

• Angular:
• CDK/Material:
• Browser(s):
• Operating System (e.g. Windows, macOS, Ubuntu):

[enstenr]

This happens only when the pagination arrow is appearing. once the control is within the visible area, the tabs readjusts automatically.