Core/Misc: Updated default expansion to 9

Port From (https://github.com/TrinityCore/TrinityCore/commit/caad5c36bda0b348e30f21981a29adbc2fc059e4)

Source/Game/Entities/Item/Item.cs

@@ -804,7 +804,7 @@ namespace Game.Entities
 
         public bool IsEquipped()
         {
-            return !IsInBag() && ((m_slot >= EquipmentSlot.Start && m_slot < EquipmentSlot.End)
+            return !IsInBag() && (m_slot < EquipmentSlot.End
                 || (m_slot >= ProfessionSlots.Start && m_slot < ProfessionSlots.End));
         }
         

Source/WorldServer/WorldServer.conf.dist

@@ -671,7 +671,8 @@ DeclinedNames = 0
 #    Expansion
 #        Description: Allow server to use content from expansions. Checks for expansion-related
 #                     map files, client compatibility and class/race character creation.
-#        Default:     8 - (Expansion 8)
+#        Default:     9 - (Expansion 9)
+#					  8 - (Expansion 8)
 #					  7 - (Expansion 7)
 #					  6 - (Expansion 6)
 #       		      5 - (Expansion 5)
@@ -681,7 +682,7 @@ DeclinedNames = 0
 #                     1 - (Expansion 1)
 #                     0 - (Disabled, Ignore and disable expansion content (maps, races, classes)
 
-Expansion = 8
+Expansion = 9
 
 #
 #    MinPlayerName