Core/Criteria: Implemented CRITERIA_ADDITIONAL_CONDITION_COMPLETED_QUEST_OBJECTIVE

Port From (https://github.com/TrinityCore/TrinityCore/commit/7cc70e29aed04b879e5cf0a9384328b4accb3146)

Source/Framework/Constants/AchievementConst.cs

@@ -215,7 +215,7 @@ namespace Framework.Constants
         TimeInRange = 109, // Nyi, Packed Time Between Asset And Secondaryasset
         RewardedQuest = 110,
         CompletedQuest = 111,
-        CompletedQuestObjective = 112, // Nyi, Questobjectiveid
+        CompletedQuestObjective = 112, // Questobjectiveid
         ExploredArea = 113,
         ItemCountIncludingBank = 114,
         //Unk115                     = 115, // Nyi

Source/Game/Achievements/CriteriaHandler.cs

@@ -1680,6 +1680,16 @@ namespace Game.Achievements
                     if (referencePlayer.GetQuestStatus(reqValue) != QuestStatus.Complete)
                         return false;
                     break;
+                case CriteriaAdditionalCondition.CompletedQuestObjective: // 112
+                    {
+                        QuestObjective objective = Global.ObjectMgr.GetQuestObjective(reqValue);
+                        if (objective == null)
+                            return false;
+
+                        if (referencePlayer.GetQuestRewardStatus(objective.QuestID) || !referencePlayer.IsQuestObjectiveComplete(objective))
+                            return false;
+                        break;
+                    }
                 case CriteriaAdditionalCondition.ExploredArea: // 113
                     {
                         AreaTableRecord areaTable = CliDB.AreaTableStorage.LookupByKey(reqValue);