fix(Core/Loot): (#7452)

- Players that did not participate in killing dungeon boss are not eligible to get loot.
- Players that are too far away from the looted object are not eligible to get loot.
- Players that released spirit and were outside the dungeon when the loot has been released are eligible to get loot.
- Players that have pending bind are not eligible to get loot.
- Properly get loot recipient for some chests in dungeons.
- All above fixes should work in any loot mode (group loot, master loot, etc.)
- Closes #2104.

src/server/game/Entities/Object/Object.cpp

@@ -3036,3 +3036,33 @@ float WorldObject::GetFloorZ() const
 
     return std::max<float>(m_staticFloorZ, GetMap()->GetGameObjectFloor(GetPhaseMask(), GetPositionX(), GetPositionY(), GetPositionZ() + std::max(GetCollisionHeight(), Z_OFFSET_FIND_HEIGHT)));
 }
+
+void WorldObject::AddAllowedLooter(ObjectGuid guid)
+{
+    _allowedLooters.insert(guid);
+}
+
+void WorldObject::SetAllowedLooters(GuidUnorderedSet const looters)
+{
+    _allowedLooters = looters;
+}
+
+void WorldObject::ResetAllowedLooters()
+{
+    _allowedLooters.clear();
+}
+
+bool WorldObject::HasAllowedLooter(ObjectGuid guid) const
+{
+    if (_allowedLooters.empty())
+    {
+        return true;
+    }
+
+    return _allowedLooters.find(guid) != _allowedLooters.end();
+}
+
+GuidUnorderedSet const& WorldObject::GetAllowedLooters() const
+{
+    return _allowedLooters;
+}