shader: apply the LOD clamp of image_sample _cl variants

Co-authored-by: Senaxx <michelbeld@gmail.com>

src/graphics/shader/recompiler/backend/spirv/spirvEmitterInternal.h

@@ -283,6 +283,7 @@ struct ImageSampleLayout {
 	uint32_t bias   = NoImageComponent;
 	uint32_t coord  = 0;
 	uint32_t lod    = NoImageComponent;
+	uint32_t clamp  = NoImageComponent;
 	uint32_t grad_x = NoImageComponent;
 	uint32_t grad_y = NoImageComponent;
 };