discardExtra for out of frustum item entity#311

MoePus wants to merge 1 commit intoEngine-Room:1.21.1/devEngine-Room/Flywheel:1.21.1/devfrom

MoePus:bugfix/1.21.1/discard-extra-for-item-entityMoePus/Flywheel:bugfix/1.21.1/discard-extra-for-item-entityCopy head branch name to clipboard