Fix assert when trying to get TEG circuit component (#33071)

Fix assert when trying to get TEG circuit component (#33071)

* Fix crash that was happening while testing nukeops

* Update Content.Server/Power/Generation/Teg/TegSystem.cs

Co-authored-by: Thomas <87614336+Aeshus@users.noreply.github.com>
* Fix incorrect review

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Co-authored-by: Nemanja <98561806+EmoGarbage404@users.noreply.github.com>
Co-authored-by: Thomas <87614336+Aeshus@users.noreply.github.com>
Co-authored-by: EmoGarbage404 <retron404@gmail.com>