* start hide
* Move useSettingsValueWithSetter to useSettings
* Add new setting showMediaEventIds
* Add a migration path
* Add an action button to hide settings.
* Tweaks to MImageBody to support new setting.
* Fixup and add tests
* add description for migration
* docs fixes
* add type
* i18n
* appese prettier
* Add tests for HideActionButton
* lint
* lint
* Use a hook for media visibility.
* Drop setting hook usage.
* Fixup MImageBody test
* Fixup tests
* Support functional components for message body rendering.
* Add a comment
* Move props into IProps
