Unicode 16 Character Category Update

TYPE: Full file replacement (not a diff patch)

The CharacterCategoryMap.cxx file contains Unicode character category tables.

Scintilla 5.5.8 updates these to Unicode 16. Due to the extensive changes

(132+ lines), this is applied as a full file copy, not a diff.

SOURCE FILE: scintilla558/scintilla/src/CharacterCategoryMap.cxx

TARGET FILE: scintilla/src/CharacterCategoryMap.cxx

NP3 CONFLICT: NONE - This file has no NP3 modifications.

APPLICATION METHOD:

copy _upgrade_staging\scintilla558\scintilla\src\CharacterCategoryMap.cxx scintilla\src\

STATUS: ✅ ALREADY APPLIED (copied during this session)