🐛 Fixed social settings not saved on keyboard shortcut (#1633)
🐛 Fixed social settings not saved on keyboard shortcut (#1633)

no issue

- Social account(twitter/facebook) values in general settings were only updated to settings upstream on focus out
- Uses `notifyPropertyChange` to avoid multiple `.set()` workarounds

Co-authored-by: Kevin Ansfield <ffb4761cba839470133bee36aeb139f58d7dbaa9@lookingsideways.co.uk>
TryGhost/Ghost,TryGhost/Ghost,TryGhost/Ghost