[MC-136102] Hostile Mobs spawn during daylight.

So I was playing my Survival World after the new snapshot was released, and it suddenly started to spawn lots of mobs on the surface of daylight.

(Made a new world with Creative Mode)

Linked issues

Duplicate of MC-136051.

Should have checked before I created the issue... I'm new to this! Really sorry!

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However, this issue is a Duplicate of MC-136051.

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