acl::calculate_compression_error is triggering asserts

[teddemunnik]

There seems to be a logical error in acl::calculate_compression_error;

The entire function only works on scalar tracks:

  if (raw_tracks.get_track_type() == track_type8::qvvf)
  	return invalid_track_error();	// Only supports scalar tracks

However it is calling functions on the tracks that are only supported for transform tracks:

  const compressed_tracks& tracks = *context.get_compressed_tracks();
  if (tracks.has_database() || tracks.has_stripped_keyframes())
  	args.rounding_policy = sample_rounding_policy::none;
  else
  	args.rounding_policy = sample_rounding_policy::nearest;

Both has_database and has_stripped_keyframes are only valid for transform tracks:

bool get_has_database() const { ACL_ASSERT(track_type == track_type8::qvvf, "Transform tracks only"); return (misc_packed & (1 << 8)) != 0; }
bool get_has_stripped_keyframes() const { ACL_ASSERT(track_type == track_type8::qvvf, "Transform tracks only"); return (misc_packed & (1 << 10)) != 0; }

Encountered this issue in unreal engine 5.5 (using ACL 2.10) when cooking an animation from a debug build (with asserts). Reporting upstream here as it looks to be a general issue in ACL.