Merge pull request #10879 from ahocevar/no-append

Do not append hit canvas to document body

src/ol/render/canvas/hitdetect.js

@@ -125,7 +125,6 @@ export function createHitDetectionImageData(size, transforms, features, styleFun
       }
     }
   }
-  document.body.appendChild(context.canvas);
   return context.getImageData(0, 0, canvas.width, canvas.height);
 }