MultiCore Helper: Coffee Expansion

IMPORTANT: UPDATE REQUIRED

Coffee machine system rework:
- Added a persistent 2,000 mB internal water tank, filled with water bottles.
- Added heating, low-pressure pre-infusion, approximately 9-bar extraction, depressurization, and automatic rinsing.
- Extraction now flows vertically from the group head into the cup.
- Added a live water level, pressure display, machine state, and extraction timer.
- Stop extraction manually at 25–30 seconds. Stopping too early creates under-extracted coffee; stopping too late creates over-extracted coffee.
- Reusing the same coffee puck causes over-extraction.
- Remove the portafilter after depressurization to trigger an automatic rinse that consumes water.
- Sneak-right-click a removed used portafilter to knock out the puck and recover the empty portafilter.

Fixes and usability:
- Fixed coffee machine item insertion and slot behavior.
- Brewing parts are locked during extraction and depressurization to prevent invalid states.
- JEI now shows water bottles and includes the complete operating workflow.
- Fixed GUI water-level texture sampling.
- Added English, Traditional Chinese, and Simplified Chinese machine text.

Visual update:
- Added shared 3D models for the hand grinder, empty/loaded/tamped portafilters, tamper, and empty/filled/steamed milk pitchers.
- Added dedicated first-person, third-person, GUI, and dropped-item display transforms.