Pokemon Friends Client Fixes

A small client-only helper for the Pokemon Friends pack on Minecraft 1.21.1 and NeoForge 21.1.265.

• Hides the FTB Chunks minimap during a Cobblemon battle, then restores it without changing the player's preference.
• Removes Jade's misleading vanilla "Loot not generated yet" tooltip from Lootr block containers.

It adds no gameplay content or network channels and is not installed on the dedicated server. Version 0.1.0 targets Cobblemon 1.8.4, FTB Chunks 2101.1.23, Jade 15.10.6 and Lootr 1.21.1-1.11.38.127; use the pack's pinned versions.

MIT licensed.