Simple Item Editor

~ Updated to 1.20.6
~ Heavily revised and re-tested code
+ /edit component for manual item's component control
+ data sources for /edit data
+ /edit rarity for editing item's rarity
+ More duration control in /edit potion
+ Ability to set potion type for potions and change effect's icon visibility and ambient
+ Negative infinity value option in attributes
+ /edit count max for editing max stack size
+ /edit durability max for editing max item durability
~ Reworked /edit attribute to identify attributes based on their names
~ Split /edit name and /edit name custom
~ Replaced ... toggle syntax with ... set <bool>
~ Renamed /edit flag to /edit tooltip
~ Moved /edit color for potions to its respective node
- Removed ambiguous syntax for removing a component (e.g. /edit trim set is no longer a valid way to remove a trim)
- Removed a few problematic nodes for a while