fix(Core/Spell): [Potion] Elixir of Minor Fortitude effect disappear (#4217)

src/server/game/Spells/SpellMgr.cpp

@@ -3299,6 +3299,13 @@ void SpellMgr::LoadDbcDataCorrections()
         spellInfo->AttributesEx3 |= SPELL_ATTR3_IGNORE_HIT_RESULT;
     });
 
+    // Elixir of Minor Fortitude
+    ApplySpellFix({ 2378 }, [](SpellEntry* spellInfo)
+    {
+        spellInfo->manaCost = 0;
+        spellInfo->manaPerSecond = 0;
+    });
+
     // Evergrove Druid Transform Crow
     ApplySpellFix({ 38776 }, [](SpellEntry* spellInfo)
     {