message: chore(bg): gap=20 by default
diff: @@ -22,7 +22,7 @@ const selector = (s: ReactFlowState) => ({ transform: s.transform, rfId: s.rfId
  function Background({
  variant = BackgroundVariant.Dots,
  - gap = 25,
  + gap = 20,
  // only used for dots and cross
  size,
  // only used for lines and cross
  