message: WriteBarIcon: fix vkcom colors
diff: box-shadow: 0 0 0 2px var(--background_content);
  }
  -.WriteBarIcon--send,
  -.WriteBarIcon--done {
  +.WriteBarIcon.WriteBarIcon--send,
  +.WriteBarIcon.WriteBarIcon--done {
  color: var(--accent);
  }
  border-radius: 10px;
  }
  -.WriteBarIcon--ios.WriteBarIcon--send:not(:disabled) {
  - color: var(--accent);
  -}
  -
  .WriteBarIcon--ios.WriteBarIcon--send,
  .WriteBarIcon--ios.WriteBarIcon--done {
  width: 48px;
  + color: var(--writebar_icon);
  +}
  +
  +.WriteBarIcon--ios.WriteBarIcon--send:not(:disabled) {
  + color: var(--accent);
  }
  .WriteBarIcon--ios.WriteBarIcon--send:first-child,
  * VKCOM
  */
  .WriteBarIcon--vkcom {
  - color: var(--writebar_icon);
  - border-radius: 4px;
  + color: var(--icon_secondary);
  + border-radius: 10px;
  }
  