Allow more advanced instance guards in component config

[Zyrakia]

I was thinking maybe the instanceGuard property of the component config could return a boolean instead of a t.check so you could do things like return instance.Parent?.IsA("Backpack"), this would lead to the component not being created if the parent of the instance is not a backpack.

For backwards compatibility, you could have have it return a t.check or a boolean, it wouldn't be too much trouble to handle both scenarios in the implementation.

This seems like it would be pretty easy to do, I could try implementing it if this sounds appealing at all and is approved.

[Fireboltofdeath]

t.check is just (obj: unknown) => obj is T which is a boolean. You can just specify a function in instanceGuard that does whatever checks you want it to do.