Added:
- changePassword to change the password
NOTE: this requires the old password,
just to prevent account hijacking.
- some basic user limit information
- theme selector
NOTE: the system theme is meant to function like auto-theme,
and is directly translated into a flutter ThemeMode,
however, this does not appear to be working on the web.
This commit also adds the logout and delete account buttons,
but they do not yet delete all rooms,
nor do they properly logout the user.
BUG: User is not logged out correctly,
reloading the page fixes this.
Maybe localstore.listen does not detect deletion?
and rewrote the component's network requests.
showSimpleSnackbar, allows displaying a simple snackbar,
with text and one action button, that can be clicked.
doNetworkRequest is supposed to be a wrapper for the
already existing post* functions.
It aims to make network requests and error handling easier,
by containing all the try&catch blocks
and being able to show snackbars.
This is prevents the current route from being reset,
when reloading the tab
and also prevents the welcome screen from showing
(when running on slow connections)
NOTE: This also means that the home screen will be loaded
even if the client has never been logged in.
This means that some functions might return null
