message: Prevent DecoratedRoomAvatar to update its state for the same value
diff: @@ -119,7 +119,10 @@ export default class DecoratedRoomAvatar extends React.PureComponent<IProps, ISt
  if (this.props.room.roomId !== room.roomId) return;
  if (ev.getType() === 'm.room.join_rules' || ev.getType() === 'm.room.member') {
  - this.setState({icon: this.calculateIcon()});
  + const newIcon = this.calculateIcon();
  + if (newIcon !== this.state.icon) {
  + this.setState({icon: newIcon});
  + }
  }
  };
  