hide overlays

extensions/measurement-tracking/src/viewports/TrackedCornerstoneViewport.js

@@ -162,6 +162,7 @@ function TrackedCornerstoneViewport({
           isStackPrefetchEnabled={true} // todo
           isPlaying={false}
           frameRate={24}
+          isOverlayVisible={false}
         />
         <div style={{ position: 'absolute' }}>
           {viewportDialogState.viewportIndex === viewportIndex && (