Implement safe AdventureBot group travel and formations

src/server/game/World/ClientlessLuaEngine.cpp

@@ -8,6 +8,7 @@
 #include "AdventureCombatMgr.h"
 #include "AdventureInteractionMgr.h"
 #include "AdventureGroupMgr.h"
+#include "AdventureGroupTravelMgr.h"
 #include "AdventureGeneratorMgr.h"
 #include "AdventurePopulationMgr.h"
 #include "AdventureSupplyMgr.h"
@@ -229,7 +230,9 @@ public:
     { sAdventureBehaviorMgr->IntentChanged(player, intent); }
     void Update(Player* player, uint32 diff) override
     {
+        sAdventureGroupTravelMgr->Observe(player,diff);
         sAdventurePopulationMgr->Maintain(player,diff);
+        if(sAdventureGroupTravelMgr->Airborne(player)){sAdventureGroupTravelMgr->Follow(player);return;}
         if(sAdventureSupplyMgr->Update(player,diff,sAdventureCombatMgr->Busy(player)))return;
         if(!sAdventureCombatMgr->Update(player,diff) && !sAdventureInteractionMgr->Update(player,diff))
             sAdventureBehaviorMgr->Update(player,diff);