message: floor default section height
diff: @@ -81,10 +81,11 @@ export class Layout {
  this._sections = sections;
  const totalHeight = this._getAvailableHeight();
  + const defaultHeight = Math.floor(totalHeight / this._sections.length);
  this._sections.forEach((section, i) => {
  if (!this._sectionHeights[section.id]) {
  this._sectionHeights[section.id] = clamp(
  - totalHeight / this._sections.length,
  + defaultHeight,
  this._getMinHeight(i),
  this._getMaxHeight(i),
  );
  