message: Fix ellisis in PanelHeader vkcom/vkui#951
diff: .PanelHeader__content {
  overflow: hidden;
  - text-overflow: ellipsis;
  color: var(--header_text);
  font-weight: 800;
  font-family: var(--font-tt);
  }
  +.PanelHeader__content > * {
  + display: block;
  + overflow: hidden;
  + text-overflow: ellipsis;
  +}
  +
  .PanelHeader__right {
  display: flex;
  justify-content: flex-end;
  .PanelHeader--android .PanelHeader__content {
  font-size: 23px;
  - display: flex;
  align-items: center;
  flex-grow: 1;
  max-width: 100%;
  