Update Unreal SDK sample project

[tustanivsky]

This PR introduces a few minor updates to the Unreal SDK sample project:

• Downgrades the base engine version to 4.27 (the oldest supported version) to preserve Blueprint backward compatibility. It was accidentally bumped to 5.5 in Remove enabled platforms selector from plugin settings #809.
• Adds a Stack Overflow crash type to the crash utility and demo UI.
• Adds Nintendo Switch to the list of platforms with gamepad UI navigation enabled.

#skip-changelog

[github-actions]

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📖	Do not forget to update Sentry-docs with your feature once the pull request gets approved.

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[jpnurmi]

Adds Nintendo Switch to the list of platforms with gamepad UI navigation enabled.

Missing or left out?

[tustanivsky]

Adds Nintendo Switch to the list of platforms with gamepad UI navigation enabled.

Missing or left out?

We only got to testing the Switch plugin extension recently so this is being added alongside Xbox and PS5 now.