Props: `multiple` and `appendToBody` the position of options is not updating.

[lao9s]

To Reproduce Steps to reproduce the behavior:

1. set prop multiple="true" and append-to-body
2. Select options one by one until next selected options will be display in new line
3. The window of options will remain at the initial position

Expected behavior Need to update position of options immediately after selection in case of using prop multiple

Screenshots