fix(Core/Scripting): fix a loop in the affected mod spell hook (#9948)

src/server/game/Scripting/ScriptDefines/GlobalScript.cpp

@@ -133,8 +133,8 @@ bool ScriptMgr::OnIsAffectedBySpellModCheck(SpellInfo const* affectSpell, SpellI
 
     if (ret && *ret)
     {
-        return true;
-    }
-
         return false;
     }
+
+    return true;
+}