fix(DB/Spell): Glodrak Huntsniper should not spaw with his mug throwing spell if player does not have Portable Brewfest Keg. (#8062)

- Closes #7913

data/sql/updates/pending_db_world/rev_1632482613720296800.sql

@@ -0,0 +1,5 @@
+INSERT INTO `version_db_world` (`sql_rev`) VALUES ('1632482613720296800');
+
+DELETE FROM `spell_script_names` WHERE `spell_id`=43714;
+INSERT INTO `spell_script_names` VALUES
+(43714,'spell_brewfest_relay_race_force_cast');

src/server/scripts/Events/brewfest.cpp

@@ -1904,6 +1904,46 @@ public:
     }
 };
 
+class spell_brewfest_relay_race_force_cast : public SpellScriptLoader
+{
+public:
+    spell_brewfest_relay_race_force_cast() : SpellScriptLoader("spell_brewfest_relay_race_force_cast") {}
+
+    class spell_brewfest_relay_race_force_cast_SpellScript : public SpellScript
+    {
+        PrepareSpellScript(spell_brewfest_relay_race_force_cast_SpellScript);
+
+        SpellCastResult CheckItem()
+        {
+            if (Unit* target = GetExplTargetUnit())
+            {
+                if (SpellInfo const* triggeredSpellInfo = sSpellMgr->GetSpellInfo(GetSpellInfo()->Effects[EFFECT_0].TriggerSpell))
+                {
+                    if (Player* player = target->ToPlayer())
+                    {
+                        if (player->HasItemCount(triggeredSpellInfo->Reagent[0]))
+                        {
+                            return SPELL_CAST_OK;
+                        }
+                    }
+                }
+            }
+
+            return SPELL_FAILED_DONT_REPORT;
+        }
+
+        void Register() override
+        {
+            OnCheckCast += SpellCheckCastFn(spell_brewfest_relay_race_force_cast_SpellScript::CheckItem);
+        }
+    };
+
+    SpellScript* GetSpellScript() const override
+    {
+        return new spell_brewfest_relay_race_force_cast_SpellScript();
+    }
+};
+
 void AddSC_event_brewfest_scripts()
 {
     // Npcs
@@ -1928,6 +1968,7 @@ void AddSC_event_brewfest_scripts()
     new spell_brewfest_unfill_keg();
     new spell_brewfest_toss_mug();
     new spell_brewfest_add_mug();
+    new spell_brewfest_relay_race_force_cast();
     new spell_brewfest_reveler_transform();
 
     // beer effect