message: for 48 columns layout, adjust default size and layout for newly added slices
diff: @@ -39,16 +39,21 @@ export function getInitialState(bootstrapData) {
  dashboard.posDict[position.slice_id] = position;
  });
  }
  - dashboard.slices.forEach((slice, index) => {
  + const lastRowId = Math.max.apply(null,
  + dashboard.position_json.map(pos => (pos.row + pos.size_y)));
  + let newSliceCounter = 0;
  + dashboard.slices.forEach((slice) => {
  const sliceId = slice.slice_id;
  let pos = dashboard.posDict[sliceId];
  if (!pos) {
  + // append new slices to dashboard bottom, 3 slices per row
  pos = {
  - col: (index * 4 + 1) % 12,
  - row: Math.floor((index) / 3) * 4,
  - size_x: 4,
  - size_y: 4,
  + col: (newSliceCounter % 3) * 16 + 1,
  + row: lastRowId + Math.floor(newSliceCounter / 3) * 16,
  + size_x: 16,
  + size_y: 16,
  };
  + newSliceCounter++;
  }
  dashboard.layout.push({
  