PokeChat requires specific casing

## Description
PokeChat requires specific casing or it fails to work

## How to reproduce
Steps to reproduce the behavior:
1. Use a non Arclight environment
2. Type `[Pokemon]` in chat. See error
3. Type `[pokemon]` in chat. See lack of error

## Context
Pixelmon Version: 9.1.11
PixelTweaks Version: 1.10.6
Server or Single Player: N/A

Additional Context:
