message: work for fix matrix empty column styles
diff: min-width: calcSize(14);
  }
  }
  -.sd-matrixdropdown .sd-table__cell--header {
  +.sd-matrixdropdown .sd-table__cell--header.sd-table__cell--empty {
  + min-width: calcSize(14);
  + width: calcSize(14);
  +}
  +.sd-matrixdropdown .sd-table__cell--header:not(.sd-table__cell--empty) {
  min-width: calcSize(14);
  width: calcSize(14);
  