message: sg template overflow fix
diff: & > div:last-child {
  flex: 2;
  +
  + & span {
  + display: block;
  + width: 215px;
  + overflow: hidden;
  + white-space: nowrap;
  + text-overflow: ellipsis;
  + }
  }
  }
  +
  +/deep/ mdl-simple-tooltip div {
  + overflow: hidden;
  + white-space: nowrap;
  + text-overflow: ellipsis;
  +}
  