message: Increase RESIZER_BOX_FACTOR to account for overlap from handle
  Fixes
  The resizer handle wasn't being considered in this. 78% is both verified through mathematics and playing with it manually.
diff: @@ -18,9 +18,9 @@ import { TagID } from "./models";
  const TILE_HEIGHT_PX = 44;
  -// the .65 comes from the CSS where the show more button is
  -// mathematically 65% of a tile when floating.
  -const RESIZER_BOX_FACTOR = 0.65;
  +// this comes from the CSS where the show more button is
  +// mathematically this percent of a tile when floating.
  +const RESIZER_BOX_FACTOR = 0.78;
  interface ISerializedListLayout {
  numTiles: number;
  