[Mobile] The "thread detail notice" banner is not properly displayed on mobile devices

[emilghittasv]

Steps to reproduce
Steps to reproduce the behavior:

1. Go to any locked or archived AAQ question

Expected behavior
The Please ask a new question if you need help is displayed on a new line.

Example:

Actual behavior
The Please ask a new question if you need help is displayed on the same line which makes the content feel a bit cramped.

Smartphone:

• Device: Huawei P40 pro
• Browser: Firefox

Additional context
This issue is reproducible in stage