Space suit upgrader

[100petr]

Description (Required)

If you put multiple space suit helmets into the space suit upgrader at once, they will all get the resistance.

Steps to reproduce the Issue (Required)

put multiple space suit helmets into the space suit upgrader at once
add heat/cold resistance
all helmets have resistance

Expected behavior (Required)

Only one helmet gets the upgrade

Server Log / Error Report

Environment (Required)

• Minecraft Version: 1.20.2
• Slimefun Version: 1117
• Plugin Version: 76