message: Disable context menu on space invite tiles as no options sensibly work
diff: @@ -85,6 +85,7 @@ export class SpaceItem extends React.PureComponent<IItemProps, IItemState> {
  }
  private onContextMenu = (ev: React.MouseEvent) => {
  + if (this.props.space.getMyMembership() !== "join") return;
  ev.preventDefault();
  ev.stopPropagation();
  this.setState({
  @@ -187,6 +188,8 @@ export class SpaceItem extends React.PureComponent<IItemProps, IItemState> {
  };
  private renderContextMenu(): React.ReactElement {
  + if (this.props.space.getMyMembership() !== "join") return null;
  +
  let contextMenu = null;
  if (this.state.contextMenuPosition) {
  const userId = this.context.getUserId();
  