feat(Core): OnBeforeLootMoney hook (#13030)

src/server/game/Scripting/ScriptMgr.h

@@ -1021,6 +1021,9 @@ public:
     // Called when a player's money is modified (before the modification is done)
     virtual void OnMoneyChanged(Player* /*player*/, int32& /*amount*/) { }
 
+    // Called before looted money is added to a player
+    virtual void OnBeforeLootMoney(Player* /*player*/, Loot* /*loot*/) {}
+
     // Called when a player gains XP (before anything is given)
     virtual void OnGiveXP(Player* /*player*/, uint32& /*amount*/, Unit* /*victim*/) { }
 
@@ -2208,6 +2211,7 @@ public: /* PlayerScript */
     void OnPlayerFreeTalentPointsChanged(Player* player, uint32 newPoints);
     void OnPlayerTalentsReset(Player* player, bool noCost);
     void OnPlayerMoneyChanged(Player* player, int32& amount);
+    void OnBeforeLootMoney(Player* player, Loot* loot);
     void OnGivePlayerXP(Player* player, uint32& amount, Unit* victim);
     bool OnPlayerReputationChange(Player* player, uint32 factionID, int32& standing, bool incremental);
     void OnPlayerReputationRankChange(Player* player, uint32 factionID, ReputationRank newRank, ReputationRank oldRank, bool increased);