Fix issue that expanded widgets appear before next item moved down

Issue - http://screen/AYyCKCWZH4uYeBp

* Before - http:/screencast/cast/NTc1NzE0MTg1NDk3ODA0OHwyNjA4ZmU5OC02ZQ
* After - http://screencast/cast/NDcyNTkzNzcyMjYyMTk1MnwxNmU1MTRmNy1jMw

Additionally, also fixes problem that fade in for some expanded sections
didn't always happen.

Bug: 332457155
Flag: N/A
Test: Manual (see video)
Change-Id: Iad3a341d9b992c72b61492d57db4faa96a06ecfa