CORE-12451 CORE-13182 CORE-13196
- CONSOLE: Initialize the additional TrueType fonts cache.
* Fix the font preview when a TrueType font has been selected.
* Refresh the available fonts and the font preview when the selected
code page is changed (Work In Progress), or when the OS pool of
font resources has changed (WM_FONTCHANGE message).
- CONCFG: Implement support for the additional TrueType fonts cache:
the contents of the cache is enumerated under the registry key
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Console\TrueTypeFont
* Add helper functions and macros.
* In CreateConsoleFontEx(), set the mandatory font pitch&family flags
and remove those that we do not support.
* In IsValidConsoleFont2(), update the validity checks and the
documentation links.
- CONSRV: Load/refresh the additional TrueType fonts cache when needed.
