message: feat(protocol-designer): Darken font in labware selection modal
  Make font color, in the labware selection modal, standard font-dark.
  Closes
diff: +@import '@opentrons/components';
  +
  @value disable_select, close from '../css/mixins.css';
  .labware_dropdown {
  background-color: lightgray;
  border: 3px solid darkgray;
  z-index: 500;
  - color: darkgray;
  + color: var(--c-font-dark);
  composes: disable_select;
  }
  