fix(memory leak): array buffer was sticking around in volume viewports (#3611)

extensions/cornerstone/src/index.tsx

@@ -61,7 +61,6 @@ const cornerstoneExtension: Types.Extensions.Extension = {
       imageRetrievalPoolManager.clearRequestStack(type);
     });
 
-    csWADOImageLoader.destroy();
     enabledElementReset();
   },