[Feature] Configurable Crafting Chance %

[nitoygo]

There doesn't seem to have a way to configure the percentages of item crafting (e.g. Chaos Machine mix).
It would be nice to be able to fine-tune the settings of:

• Each Item mix/upgrade type (Chaos Weapon, Equipment Upgrade, Wings, etc)
• A Global +/- of percentages for all mix type (if there is a server-wide promo)
• Account-specific percentages + (if using a P2W subscription)
• Can be also applied to lotteries (e. g. Moss gamble, Lucky items)

The craft/mix action plugin should be modified to cosider the configured settings, and the Admin Panel should provide a page to configure the settings.

[sven-n]

Each Item mix/upgrade type (Chaos Weapon, Equipment Upgrade, Wings, etc)

We can extend the ItemCrafting for that.

A Global +/- of percentages for all mix type (if there is a server-wide promo)
Account-specific percentages + (if using a P2W subscription)

I think a nice way to accomplish this is the attribute system.
We already have a way to add these at several places:

• GameMapDefinition.CharacterPowerUpDefinitions
• CharacterClass.BaseAttributeValues
• Account.Attributes
• Character.Attributes

So adding a new Stat.CraftingBonusPercentage (AttributeDefinition) for that seems to be a flexible way.