[Beta] Ver 2.1.4d Bug fixes

This article is a release note for VirtualCast Beta.
For information on how to play Beta, see here.
[h2]Room[/h2]
[h3]Bug fixes[/h3]
- Fixed the issue where some VRM models fail to load properly.
- Fixed the issue where the shadow color of some VRM models is rendered in a single color.
- Fixed the issue where the outline of some VRM models is rendered thicker than it is supposed to.