fix: Hide generic geometry presets in territory

[rudokemper]

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Description

Resolves #620

Forgot to add conventional commits format initially, so rewrote the commit messaging - hence the multiple commits. Will squash when merging upon approval.

[ErikSin]

@rudokemper Can you rebase this (And Let me know if you want to any support with rebasing)?

[rudokemper]

@ErikSin done. Do ya'll merge or should I?

[ErikSin]

I can do it rn! But in general, It doesn't matter who merges it, as long as someone has approved it!