LibTTF: Interpret font names from Windows platform as UTF-16BE

This turns the admittedly aesthetic "T a h o m a" into "Tahoma" :^)

Userland/Libraries/LibTTF/Tables.h

@@ -148,6 +148,11 @@ private:
 
 class Name {
 public:
+    enum class Platform {
+        Unicode = 0,
+        Macintosh = 1,
+        Windows = 3,
+    };
     static Optional<Name> from_slice(const ReadonlyBytes&);
 
     String family_name() const { return string_for_id(NameId::FamilyName); }