message: Query Browser: Add gradient to graph legend
  The provides a visual hint that the legend is scrollable.
diff: @@ -116,10 +116,21 @@ $tooltip-background-color: #151515;
  .monitoring-dashboards__legend-wrap {
  height: 75px;
  overflow-x: auto;
  + padding-right: var(--pf-global--spacer--lg);
  padding-top: 1px;
  svg {
  max-height: 50px; // Required for Chrome. legend-wrap - scrollbar height
  }
  + &:after {
  + background: linear-gradient(to left, var(--pf-global--BackgroundColor--100), rgba(255, 255, 255, 0));
  + content: '';
  + height: calc(100% - 10px); // Leave gap for the horizontal scrollbar
  + pointer-events: none;
  + position: absolute;
  + right: 0;
  + top: 0;
  + width: var(--pf-global--spacer--lg);
  + }
  }
  .monitoring-dashboards__options {
  