rhelouREV

**Problem:** When using `px.timeline` on a range where a Daylight Savings Time switch occurs & time zones are in the timestamps, I observe an unexpectedly shorter/longer duration of the bar....

widget values not updating if key is specified

9

### Checklist - [x] I have searched the [existing issues](https://github.com/streamlit/streamlit/issues) for similar issues. - [x] I added a very descriptive title to this issue. - [x] I have provided sufficient...