2.3.86 Improves zone filtering and sorting
Refactors zone data and filtering logic for better performance and accuracy.
Adds server mode (EMU/Live/Lazarus) to expansion filtering, addressing duplicate zone entries and expansion caps. Implements precomputed string keys for zone name, level, and ZEM sorting, resolving sorting issues. Introduces functions for normalizing zone names and handling missing data.
Updates zone data with server-specific ZEM values and expansion assignments.