Large nbt in chest lagging out server due to use of snapshot get holder

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I swear this was fixed in the past, why did you unfix it? You need to pass FALSE into getHolder() to prevent it doing an NBT copy.

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This is actively being abused by players rapidly opening and closing chests containing large amounts of NBT to crash the server.

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I was wrong about it being fixed in the past, there was a past fix for a very similar issue bit it didn't fully fix the problem or something has changed since then #234