message: Removed filter to concentrate on problem
  The filter was removing items that should now be removed by popped function. The filter should be redundant if popped works out
diff: @@ -21,7 +21,7 @@ class Ghost<T> extends React.Component<GhostProps<T>, any> {
  nextItem.popTime = !matchedItem ? (item.popTime || popTime) : undefined;
  return nextItem;
  })
  - .filter(item => !item.popTime || tick < item.popTime)
  + //.filter(item => !item.popTime || tick < item.popTime)
  .concat(data
  .filter(item => !itemsByKey[getKey(item)])
  .map(item => {
  