Simplify screenshot code

[westoque]

What does this PR do?

This PR simplifies the screenshot code by removing the need to create the screenshots dir by adding a .keep file and retaining the directory.

Requirement/Documentation

No additional documentation needed.

Type of change

• [X] Chore (refactoring code, technical debt, workflow improvements)

Mandatory Tasks

• [X] Make sure you have self-reviewed the code. A decent size PR without self-review might be rejected. Make sure before submmiting this PR you run tests with evaluate.py