Core/Players: Implemented setting tradeskill recipes as favorite

Port From (https://github.com/TrinityCore/TrinityCore/commit/0555ab2f56e5ad326948df96f5c2e35254e0cf4f)

Source/Game/Handlers/CharacterHandler.cs

@@ -2659,6 +2659,10 @@ namespace Game
             stmt.AddValue(0, lowGuid);
             SetQuery(PlayerLoginQueryLoad.Spells, stmt);
 
+            stmt = DB.Characters.GetPreparedStatement(CharStatements.SEL_CHARACTER_SPELL_FAVORITES);
+            stmt.AddValue(0, lowGuid);
+            SetQuery(PlayerLoginQueryLoad.SpellFavorites, stmt);
+
             stmt = DB.Characters.GetPreparedStatement(CharStatements.SEL_CHARACTER_QUESTSTATUS);
             stmt.AddValue(0, lowGuid);
             SetQuery(PlayerLoginQueryLoad.QuestStatus, stmt);
@@ -2930,6 +2934,7 @@ namespace Game
         AuraEffects,
         AuraStoredLocations,
         Spells,
+        SpellFavorites,
         QuestStatus,
         QuestStatusObjectives,
         QuestStatusObjectivesCriteria,

Source/Game/Handlers/SkillHandler.cs

@@ -117,5 +117,14 @@ namespace Game
 
             GetPlayer().SetSkill(packet.SkillLine, 0, 0, 0);
         }
+
+        [WorldPacketHandler(ClientOpcodes.TradeSkillSetFavorite, Processing = PacketProcessing.Inplace)]
+        void HandleTradeSkillSetFavorite(TradeSkillSetFavorite tradeSkillSetFavorite)
+        {
+            if (!_player.HasSpell(tradeSkillSetFavorite.RecipeID))
+                return;
+
+            _player.SetSpellFavorite(tradeSkillSetFavorite.RecipeID, tradeSkillSetFavorite.IsFavorite);
+        }
     }
 }