view not update when use transition in this case

### Version
2.2.6

### Reproduction link
[https://jsfiddle.net/4mpf6x1r/1/](https://jsfiddle.net/4mpf6x1r/1/)

### Steps to reproduce
click the update text

### What is expected?
position changed

### What is actually happening?
position not changed

---
it worked when i do like this: https://jsfiddle.net/4mpf6x1r/2/