fix: 🐛 Fix eye gaze space

Author: esnya

ViveStreamingEyes.cs

@@ -88,7 +88,7 @@ private void UpdateEyeDirection(Eye eye, FaceData.EyeDataIndex xIndex, FaceData.
             var direction = new float3(
                 eyeData[xIndex],
                 eyeData[yIndex],
-                eyeData[zIndex]
+                -eyeData[zIndex]
             ).Normalized;
 
             if (!direction.IsNaN && !direction.Approximately(float3.Zero, 0.001f))