* Apply `strictNullChecks` to `src/components/views/room_settings/*`
* Restore tsconfig.json
* Conform more code to `strictNullChecks`
* Iterate
* Update matrix-widget-api
* Conform more code to `strictNullChecks`
* sliding sync: add lazy-loading member support
Also swap to `$ME` constants when referring to our own member event.
* Hook into existing LL logic when showing the MemberList
* Linting
* Use consts in js sdk not react sdk
* Add jest tests
* linting
* Store the room in the test
* Fix up getRoom impl
* Add MemberListStore
* Use the right context in MemberList tests
* Fix RightPanel-test
* Always return members even if we lazy load
* Add MemberListStore tests
* Additional tests
* Show chat panel when opening a video room with unread messages
* Remove unnecessary calls to private methods in tests
* Make room ID mandatory when toggling the right panel
* Restore the isViewingRoom check
* Test RightPanelStore
* Make the constructor private again
* Add even more tests
* Fix onReady
Michael Telatynski