Fix orientation of exported (USD captures) distant lights. Comply wit…

…h the USD standard: -Z axis must point from the sun to the earth.

See merge request lightspeedrtx/dxvk-remix-nv!888

src/dxvk/rtx_render/rtx_game_capturer.cpp

@@ -385,7 +385,7 @@ namespace dxvk {
       distantLight.color[2] = colorAndIntensity.b;
       distantLight.intensity = colorAndIntensity.w;
       distantLight.angleDegrees = rtLight.getHalfAngle() * 2.0 * kRadiansToDegrees;
-      distantLight.direction = -pxr::GfVec3f(rtLight.getDirection().data);
+      distantLight.direction = pxr::GfVec3f(rtLight.getDirection().data);
       distantLight.firstTime = m_pCap->currentFrameNum;
       Logger::debug("[GameCapturer][" + m_pCap->idStr + "][DistantLight:" + name + "] New");
     }