Core/Quests: Implemented quest flag forcing the player to be flagged for PvP as long as the quest is in his log.

src/server/scripts/Commands/cs_quest.cpp

@@ -138,6 +138,12 @@ public:
 
                 // we ignore unequippable quest items in this case, its' still be equipped
                 player->TakeQuestSourceItem(logQuest, false);
+
+                if (quest->HasFlag(QUEST_FLAGS_FLAGS_PVP))
+                {
+                    player->pvpInfo.IsHostile = player->pvpInfo.IsInHostileArea || player->HasPvPForcingQuest();
+                    player->UpdatePvPState();
+                }
             }
         }