Add color in built-in documentation for overridden properties

[Mickeon]

Should mitigate #84796 to an extent, and perhaps supersedes #84939?

The name is pretty self-explanatory.
It uses the warning color. This is used pretty consistently for other "inheritance"-related concepts in the editor, so I think it makes sense.

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I was also asked for a bit of padding between overridden and normal properties, although... I still don't like the way it looks, but hey, it works.

[Mickeon]

The test failed because the generated class reference would need to be updated to move the overridden properties above all else. In my opinion, the sorting of this PR does makes sense, but that's a lot of multiple, small changes that would need to be done, and I'm not sure if this PR is desired just yet as is.

[AThousandShips]

I think this should only be on the display side, unless they're put in a separate tag I don't think we should do complicated sorting like this, you should be able to iterate over them twice when displaying, slightly unnecessary processing but the most trivial method IMO

[YuriSizov]

I think this should only be on the display side, unless they're put in a separate tag I don't think we should do complicated sorting like this, you should be able to iterate over them twice when displaying, slightly unnecessary processing but the most trivial method IMO

Yeah, I agree with this. This change shouldn't require precise ordering in the XML files. It should just be a visual enhancement.

[Mickeon]

Yyeah, the thing that peeved me most was the "unnecessary" second sorting pass, but if that is tolerable, so be it. Done.

[Mickeon]

Rebased after minor conflict. Would be nice to have sooner than later.

[AThousandShips]

LGTM, with some suggestions

[KoBeWi]

Implementation looks ok.

[akien-mga]

Thanks!