Sophisticated JEI Index

Adds a JEI Index Upgrade for Sophisticated Backpacks. When installed, JEI recipe transfer can pull ingredients from equipped backpacks that have this upgrade enabled (in selection order), in addition to the player inventory.

* ✅ Compatible with JEI native recipe transfer scenarios * ✅ Uses enabled backpacks in the selection order as extra ingredient sources * ✅ Also supports the crafting terminals of the following mods (priority: network → player inventory → enabled backpacks in order): AE2, Refined Storage, Tom's Storage, Beyond Dimensions * ✅ Supports shift-click max transfer and JEI complete-set semantics * ✅ Compatible with EMI recipe fill and recipe tree quick-craft (requires EMI on the server for multiplayer)