Core/Gossip: Implemented GossipOptionNpc.AzeriteRespec

Port From (https://github.com/TrinityCore/TrinityCore/commit/9fb4c1ca0228a51da4b69322e8a3db8932781f13)

Source/Framework/Constants/GossipConst.cs

@@ -81,7 +81,7 @@ namespace Framework.Constants
         GarrisonTalent = 32,   // White chat bubble
         ContributionCollector = 33,   /*NYI*/ // White chat bubble
         Transmogrify = 34,   // Purple helm
-        AzeriteRespec = 35,   /*NYI*/ // White chat bubble
+        AzeriteRespec = 35,   // White chat bubble
         IslandsMission = 36,   /*NYI*/ // White chat bubble
         UIItemInteraction = 37,   /*NYI*/ // White chat bubble
         WorldMap = 38,   /*NYI*/ // White chat bubble

Source/Game/Entities/Player/Player.cs

@@ -2370,6 +2370,7 @@ namespace Game.Entities
                         case GossipOptionNpc.Auctioneer:
                         case GossipOptionNpc.Mailbox:
                         case GossipOptionNpc.Transmogrify:
+                        case GossipOptionNpc.AzeriteRespec:
                             break;                                         // No checks
                         case GossipOptionNpc.CemeterySelect:
                             canTalk = false;                               // Deprecated
@@ -2388,7 +2389,6 @@ namespace Game.Entities
                         case GossipOptionNpc.AdventureMap:
                         case GossipOptionNpc.GarrisonTalent:
                         case GossipOptionNpc.ContributionCollector:
-                        case GossipOptionNpc.AzeriteRespec:
                         case GossipOptionNpc.IslandsMission:
                         case GossipOptionNpc.UIItemInteraction:
                         case GossipOptionNpc.WorldMap:
@@ -2622,6 +2622,10 @@ namespace Game.Entities
                 case GossipOptionNpc.Transmogrify:
                     GetSession().SendOpenTransmogrifier(guid);
                     break;
+                case GossipOptionNpc.AzeriteRespec:
+                    PlayerTalkClass.SendCloseGossip();
+                    GetSession().SendAzeriteRespecNPC(guid);
+                    break;
                 default:
                     break;
             }

Source/Game/Handlers/AzeriteHandler.cs

@@ -243,5 +243,10 @@ namespace Game
 
             azeriteEmpoweredItem.SetState(ItemUpdateState.Changed, _player);
         }
+
+        public void SendAzeriteRespecNPC(ObjectGuid npc)
+        {
+            SendPacket(new AzeriteRespecNPC(npc));
+        }
     }
 }

Source/Game/Spells/Spell.cs

@@ -6764,7 +6764,7 @@ namespace Game.Spells
                             return SpellCastResult.AzeriteEmpoweredOnly;
 
                         bool hasSelections = false;
-                        for (int tier = 0; tier < azeriteEmpoweredItem.GetMaxAzeritePowerTier(); ++tier)
+                        for (int tier = 0; tier < SharedConst.MaxAzeriteEmpoweredTier; ++tier)
                         {
                             if (azeriteEmpoweredItem.GetSelectedAzeritePower(tier) != 0)
                             {