fix: Revert reuse deserialize result to fix data overwritten

See also milvus-io#34637

Signed-off-by: Congqi Xia <[email protected]>

internal/storage/serde.go

@@ -388,7 +388,7 @@ var serdeMap = func() map[schemapb.DataType]serdeEntry {
 			if v == nil {
 				return 8
 			}
-			return uint64(v.(*schemapb.ScalarField).XXX_Size())
+			return uint64(proto.Size(v.(*schemapb.ScalarField))) // uint64(v.(*schemapb.ScalarField))
 		},
 	}
 
@@ -538,9 +538,8 @@ func (deser *DeserializeReader[T]) Next() error {
 		deser.pos = 0
 		deser.rec = deser.rr.Record()
 
-		if deser.values == nil || len(deser.values) != deser.rec.Len() {
-			deser.values = make([]T, deser.rec.Len())
-		}
+		deser.values = make([]T, deser.rec.Len())
+
 		if err := deser.deserializer(deser.rec, deser.values); err != nil {
 			return err
 		}