Add screenshot for error tracking setting

Dmytro Zaporozhets (DZ)requested to merge
dz-et-settings-docs into master

What does this MR do and why?

Follow-up on !66845 (merged). Now when UI is available, no need to use API for enabling the integrated error tracking. You still need API as second step for creating a key. We will make a UI for that later.

Issue #329596 (closed)

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

Merge request reports