GLTF Viewer: fixed typo in UseTextureAtlas (https://github.com/DiligentGraphics/DiligentFX/issues/13)
GLTF Viewer: fixed typo in UseTextureAtlas (https://github.com/DiligentGraphics/DiligentFX/issues/13)

DiligentGraphics/DiligentSamples,DiligentGraphics/DiligentSamples,DiligentGraphics/DiligentSamples,DiligentGraphics/DiligentSamples,DiligentGraphics/DiligentSamples,DiligentGraphics/DiligentSamples