fix(DB/Spells): Added 500ms cooldown to Flurry proc. (#13002)

data/sql/updates/pending_db_world/rev_1662808735373629900.sql

@@ -0,0 +1,4 @@
+--
+UPDATE `spell_proc_event` SET `Cooldown`=0 WHERE `entry`=-16256;
+UPDATE `spell_proc_event` SET `Cooldown`=500 WHERE `entry`=-16257;
+

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

@@ -8348,7 +8348,7 @@ bool Unit::HandleDummyAuraProc(Unit* victim, uint32 damage, AuraEffect* triggere
 
 // Used in case when access to whole aura is needed
 // All procs should be handled like this...
-bool Unit::HandleAuraProc(Unit* victim, uint32 damage, Aura* triggeredByAura, SpellInfo const*  /*procSpell*/, uint32 /*procFlag*/, uint32 procEx, uint32  /*cooldown*/, bool* handled)
+bool Unit::HandleAuraProc(Unit* victim, uint32 damage, Aura* triggeredByAura, SpellInfo const*  /*procSpell*/, uint32 /*procFlag*/, uint32 procEx, uint32 cooldown, bool* handled)
 {
     SpellInfo const* dummySpell = triggeredByAura->GetSpellInfo();
 
@@ -8521,6 +8521,24 @@ bool Unit::HandleAuraProc(Unit* victim, uint32 damage, Aura* triggeredByAura, Sp
                 }
                 break;
             }
+        case SPELLFAMILY_SHAMAN:
+        {
+            // Flurry
+            if ((dummySpell->SpellFamilyFlags[1] & 0x00000200) != 0)
+            {
+                if (cooldown)
+                {
+                    if (HasSpellCooldown(dummySpell->Id))
+                    {
+                        *handled = true;
+                        break;
+                    }
+
+                    AddSpellCooldown(dummySpell->Id, 0, cooldown);
+                }
+            }
+            break;
+        }
     }
     return false;
 }