Core/Instances: Implemented DungeonEncounter.dbc for creating completed encounters mask to use in packets

Core/Dungeon Finder: Implemented new way of giving random dungeon rewards, linked to DungeonEncounter.dbc

src/server/game/World/World.cpp

@@ -1403,7 +1403,7 @@ void World::SetInitialWorldSettings()
     sGameEventMgr->LoadFromDB();                                 // TODOLEAK: add scopes
 
     sLog->outString("Loading Dungeon boss data...");
-    sLFGMgr->LoadDungeonEncounters();
+    sObjectMgr->LoadInstanceEncounters();
 
     sLog->outString("Loading LFG rewards...");
     sLFGMgr->LoadRewards();