Core/Criteria: Implemented CompletedLFGDungeon criteria type

Port From (https://github.com/TrinityCore/TrinityCore/commit/9e22ca9d52eef131687b5f28f3187232bbe56c11)

Source/Framework/Constants/AchievementConst.cs

@@ -626,7 +626,7 @@ namespace Framework.Constants
         EarnAchievementPoints = 115, // Earn achievement points
         RollDisenchant = 116, /*NYI*/ // Roll disenchant and get {#Disenchant Roll}
         RollAnyDisenchant = 117, /*NYI*/ // Roll any number on disenchant
-        CompletedLFGDungeon = 118, /*NYI*/ // Completed an LFG dungeon
+        CompletedLFGDungeon = 118, // Completed an LFG dungeon
         CompletedLFGDungeonWithStrangers = 119, // Completed an LFG dungeon with strangers
         KickInitiatorInLFGDungeon = 120, /*NYI*/ // Kicked in an LFG dungeon (initiator)
         KickVoterInLFGDungeon = 121, /*NYI*/ // Kicked in an LFG dungeon (voter)

Source/Game/Achievements/CriteriaHandler.cs

@@ -156,6 +156,7 @@ namespace Game.Achievements
                     case CriteriaType.MoneyEarnedFromAuctions:/* FIXME: for online player only currently */
                     case CriteriaType.TotalDamageTaken:
                     case CriteriaType.TotalHealReceived:
+                    case CriteriaType.CompletedLFGDungeon:
                     case CriteriaType.CompletedLFGDungeonWithStrangers:
                     case CriteriaType.DamageDealt:
                     case CriteriaType.HealingDone:
@@ -414,7 +415,6 @@ namespace Game.Achievements
                     case CriteriaType.BattlePetAchievementPointsEarned:
                     case CriteriaType.ReleasedSpirit:
                     case CriteriaType.AccountKnownPet:
-                    case CriteriaType.CompletedLFGDungeon:
                     case CriteriaType.KickInitiatorInLFGDungeon:
                     case CriteriaType.KickVoterInLFGDungeon:
                     case CriteriaType.KickTargetInLFGDungeon:
@@ -786,6 +786,7 @@ namespace Game.Achievements
                 case CriteriaType.DefeatDungeonEncounterWhileElegibleForLoot:
                 case CriteriaType.GetLootByType:
                 case CriteriaType.LearnTradeskillSkillLine:
+                case CriteriaType.CompletedLFGDungeon:
                 case CriteriaType.CompletedLFGDungeonWithStrangers:
                 case CriteriaType.DeliveredKillingBlow:
                 case CriteriaType.CurrencyGained:
@@ -937,6 +938,7 @@ namespace Game.Achievements
                 case CriteriaType.KillPlayer:
                 case CriteriaType.TotalDamageTaken:
                 case CriteriaType.TotalHealReceived:
+                case CriteriaType.CompletedLFGDungeon:
                 case CriteriaType.CompletedLFGDungeonWithStrangers:
                 case CriteriaType.GotHaircut:
                 case CriteriaType.WinDuel:

Source/Game/DungeonFinding/LFGManager.cs

@@ -1430,10 +1430,12 @@ namespace Game.DungeonFinding
                     continue;
                 }
 
+                player.UpdateCriteria(CriteriaType.CompletedLFGDungeon, 1);
+
                 // Update achievements
                 if (dungeon.difficulty == Difficulty.Heroic)
                 {
-                    byte lfdRandomPlayers = 0;
+                    byte lfdRandomPlayers;
                     byte numParty = PlayersStore[guid].GetNumberOfPartyMembersAtJoin();
                     if (numParty != 0)
                         lfdRandomPlayers = (byte)(5 - numParty);