🐛 fix oAuth login for blog urls which contain `/ghost` (#429)
🐛 fix oAuth login for blog urls which contain `/ghost` (#429)

no issue
- use the configured `blogUrl` value rather than using `window.location.href` with a poor regex that was incorrectly matching on domains containing multiple `/ghost` parts such as `http://ghost.local:2368/ghost`
TryGhost/Ghost,TryGhost/Ghost,TryGhost/Ghost