fix(Scripts/Spells): Mind Control should put both caster and target in combat. (#9301)

Fixes #8938

data/sql/updates/pending_db_world/rev_1637699382534407800.sql

@@ -0,0 +1,5 @@
+INSERT INTO `version_db_world` (`sql_rev`) VALUES ('1637699382534407800');
+
+DELETE FROM `spell_script_names` WHERE `spell_id`=605;
+INSERT INTO `spell_script_names` VALUES
+(605,'spell_pri_mind_control');

src/server/game/Entities/Unit/Unit.cpp

@@ -12988,7 +12988,7 @@ void Unit::SetInCombatState(bool PvP, Unit* enemy, uint32 duration)
         if (controlled->GetTypeId() == TYPEID_UNIT && controlled->ToCreature()->HasReactState(REACT_PASSIVE))
             continue;
 
-        controlled->SetInCombatState(PvP, enemy);
+        controlled->SetInCombatState(PvP, enemy, duration);
     }
 #ifdef ELUNA
     if (Player* player = this->ToPlayer())

src/server/scripts/Spells/spell_priest.cpp

@@ -807,6 +807,33 @@ class spell_pri_vampiric_touch : public AuraScript
     }
 };
 
+// 605 - Mind Control
+class spell_pri_mind_control : public SpellScript
+{
+    PrepareSpellScript(spell_pri_mind_control);
+
+    void OnHit()
+    {
+        if (Aura const* aura = GetHitAura())
+        {
+            if (Unit* caster = GetCaster())
+            {
+                if (Unit* target = GetHitUnit())
+                {
+                    uint32 duration = static_cast<uint32>(aura->GetMaxDuration());
+                    caster->SetInCombatWith(target, duration);
+                    target->SetInCombatWith(caster, duration);
+                }
+            }
+        }
+    }
+
+    void Register() override
+    {
+        AfterHit += SpellHitFn(spell_pri_mind_control::OnHit);
+    }
+};
+
 void AddSC_priest_spell_scripts()
 {
     RegisterSpellScript(spell_pri_shadowfiend_scaling);
@@ -828,4 +855,5 @@ void AddSC_priest_spell_scripts()
     RegisterSpellScript(spell_pri_renew);
     RegisterSpellScript(spell_pri_shadow_word_death);
     RegisterSpellScript(spell_pri_vampiric_touch);
+    RegisterSpellScript(spell_pri_mind_control);
 }