* Remove camera's streaming source from camera's 'more info' when more-info is closed.
* Rename to isVisible
* Rename to isVisible
* Split dynamicContentUpdater
Split dynamicContentUpdater into two functions intended for 'normal' flow and 'hide' flow.
* Use hassUtil.resetDynamicContent
* Fix lint
* Fix lint
* Move isVisible to more-info-content
* Move isVisible to more-info-content
* Typo
* Avoid modifying the original state
* Put isVisible in the right place
* Inline resetDynamicContent
* Inline resetDynamicContent
* Fix lint