Pregenerator that "ticks" chunks

Hello, I have a world fully pregenerated. However, whenever I explore the ocean, the server lags out pretty badly. I've asked about this in the paper discord where they confirmed it was the chunks being ticked for the first time and water flowing for the first time. Once this is done, there is no lag when you load into those areas.

From what I've been told, Chunky just generates the chunks but doesn't tick them. Is there a plugin which ticks chunks whilst generating?

Here is a spark report with the --only-ticks-over 150 argument for anyone interested; https://spark.lucko.me/t8mVxjTc0T

Technically I can just fly around in creative and manually load the chunks at the highest possible render distance but I'd appreciate a non painful method 😅
spark is a performance profiler for Minecraft clients, servers, and proxies.
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