[PATCH v3 0/2] MR5633: win32u: Fallback to default script if vert/vrt2 is not found.

[Akihiro Sagawa (＠sgwaki)]

Also added and prioritized `DFLT` as the default script tag, with `dflt` as a secondary option.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=56658

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  v3: win32u: Use the first vertical alternates table regardless of script.
      gdi32: Add tests for script-independent vertical glyph lookup.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/5633