message: Fix UserInfo promote user inverted buttons
diff: @@ -984,7 +984,7 @@ const PowerLevelEditor = ({user, room, roomPermissions, onFinished}) => {
  });
  const [confirmed] = await finished;
  - if (confirmed) return;
  + if (!confirmed) return;
  }
  await _applyPowerChange(roomId, target, powerLevel, powerLevelEvent);
  } finally {
  