Freetype uses a function to get the licensing flags, FT_Get_FSType_Flags(), and it's non-trivial. (See also: https://freetype.org/freetype2/docs/reference/ft2-information_retrieval.html...) Use FF's function to get the proper flags, and then set otmfsType based on them.
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=58987
-- v2: win32u: Fix broken otmfsType flag generation.