Corrected picture shown in Unreal Insights tutorial

[sorskoot]

Fixes #652

[prmerger-automator[bot]]

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[opbld33]

Learn Build status updates of commit ad90a3b:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
mixed-reality-docs/mr-dev-docs/develop/unreal/unreal-insights.md	:white_check_mark:Succeeded

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