PLAYRTS-5521 Use 16:9 images in alphabetical TV shows view

[pyby]

Description

As a user
I want to easily find the show i’m looking for in Show AZ view
So that display show items in portrait with title. So the search is easier.

Changes Made

• In the TV show AZ view, switch show cells layout from poster to default 16:9 image variant with displayed title.

Checklist

• I have followed the project's style guidelines.
• I have performed a self-review of my own changes.
• I have made corresponding changes to the documentation.
• My changes do not generate new warnings.
• I have tested my changes and I am confident that it works as expected and doesn't introduce any known regressions.
• I have reviewed the contribution guidelines.