fix mag item data

src/entity/item/mag.rs

@@ -567,6 +567,7 @@ impl Mag {
     pub fn as_bytes(&self) -> [u8; 16] {
         let mut result = [0; 16];
         result[0..3].copy_from_slice(&self.mag.value());
+        result[2] = self.level() as u8;
         result[3] = self.photon_blast_value();
         result[4..6].copy_from_slice(&self.def.to_le_bytes());
         result[6..8].copy_from_slice(&self.pow.to_le_bytes());