message: select: arrow key navigation should keep current item visible
diff: .boxel-ranged-number-picker__dropdown {
  box-shadow: var(--boxel-box-shadow);
  border-radius: var(--boxel-border-radius);
  - max-height: var(--boxel-xs-container);
  - overflow: auto;
  }
  .boxel-ranged-number-picker__dropdown ul {
  list-style: none;
  padding: 0;
  text-align: center;
  + overflow: auto;
  + max-height: var(--boxel-xs-container);
  }
  .ember-power-select-option[aria-current='true']
  