message: fix(Masthead): fix for rtl masthead profile menu
  This is a fix for properly setting the profile menu dropdown in the
  masthead. This uses rtlcss, and unfortunately will need to set as
  !important for now until we can find a more elegant solution.
diff: @@ -320,6 +320,9 @@ $search-transition-timing: 95ms;
  background-color: $ui-background;
  position: fixed;
  z-index: 99999;
  + /* !rtl:raw:
  + left: 0 !important;
  + */
  &__btn {
  @include carbon--type-style(body-short-02, true);
  