message: add opacity to vkcom button icons and counters
diff: background-color: var(--button_commerce_foreground);
  color: var(--button_commerce_background);
  }
  +
  +.Button--vkcom.Button--lvl-secondary .Counter,
  +.Button--vkcom.Button--lvl-tertiary .Counter,
  +.Button--vkcom.Button--lvl-outline .Counter,
  +.Button--vkcom.Button--lvl-secondary .Icon,
  +.Button--vkcom.Button--lvl-tertiary .Icon,
  +.Button--vkcom.Button--lvl-outline .Icon {
  + opacity: .72;
  +}
  