[10073] Make object active at applying view on it

also isActiveObject check moved to WorldObject - all worldobjects are inactive by default, excluding players
this is a final part of cameras implementation

(based on commit efc9623)

Signed-off-by: VladimirMangos <vladimir@getmangos.com>

Also remove template-way code selection for object for Map::AddToActive/Map::RemoveFromActive.
This simplify function use from not Map code.

src/game/Player.cpp

@@ -417,6 +417,8 @@ Player::Player (WorldSession *session): Unit(), m_achievementMgr(this), m_reputa
 
     m_valuesCount = PLAYER_END;
 
+    m_isActiveObject = true;                                // player is always active object
+
     m_session = session;
 
     m_divider = 0;