simplified flow:
- event `:ui/login` is dispatched
- node is initialized with user config or default config
- `node.started` signal is received, applying `:login` fx
- `:callback/login` event is dispatched, account is changed
in datastore, web-data is cleared
- `:init/initialize-account` event is dispatched
replace event dispatches by function composition
fix bug in universal links where url to be processed after login
was never removed
Signed-off-by: Eric Dvorsak <eric@dvorsak.fr>