feat(Core/Items): Implemented elemental weapon damage. Source: Trinit… (#13050)

...yCore.

src/server/game/Spells/Spell.h

@@ -589,6 +589,8 @@ public:
 
     [[nodiscard]] TriggerCastFlags GetTriggeredCastFlags() const { return _triggeredCastFlags; }
 
+    [[nodiscard]] SpellSchoolMask GetSpellSchoolMask() const { return m_spellSchoolMask; }
+
  protected:
     bool HasGlobalCooldown() const;
     void TriggerGlobalCooldown();