GLTFLoder: added BaseColorAlphaFormat to ResourceCacheUseInfo; added Model::IsGPUDataInitialized()
GLTFLoder: added BaseColorAlphaFormat to ResourceCacheUseInfo; added Model::IsGPUDataInitialized()

DiligentGraphics/DiligentTools,DiligentGraphics/DiligentTools,DiligentGraphics/DiligentTools,DiligentGraphics/DiligentTools,DiligentGraphics/DiligentTools