Do not re-position scroll when loading more (inserting items from below) (#7344)
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				@ -72,7 +72,7 @@ export default class ScrollableList extends PureComponent {
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    const someItemInserted = React.Children.count(prevProps.children) > 0 &&
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      React.Children.count(prevProps.children) < React.Children.count(this.props.children) &&
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      this.getFirstChildKey(prevProps) !== this.getFirstChildKey(this.props);
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    if (someItemInserted && this.node.scrollTop > 0 || this.state.mouseOver) {
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    if (someItemInserted && this.node.scrollTop > 0 || (this.state.mouseOver && !prevProps.isLoading)) {
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      return this.node.scrollHeight - this.node.scrollTop;
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    } else {
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      return null;
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