Corrected maptypeproperty2 implementation with all the available info

- Fixes an issue with the 2013 clients showing an attack cursor over
  other players even outside PvP. Special thanks to ossi0110 for
  reporting the issue and running tests for me; Ind and Yommy for their
  assistance.
- Related: issue #70

Signed-off-by: Haru <haru@dotalux.com>