UrlBarIcon drag to bookmark fix
UrlBarIcon drag to bookmark fix

Fix #8151

Test plan: npm run test -- --grep="UrlBarIcon"

I don't think there's a good way to add automated tests for drag and drop yet

timborden/browser-laptop,luixxiul/browser-laptop,diasdavid/browser-laptop,diasdavid/browser-laptop,luixxiul/browser-laptop,timborden/browser-laptop,luixxiul/browser-laptop,timborden/browser-laptop,timborden/browser-laptop,diasdavid/browser-laptop,luixxiul/browser-laptop,diasdavid/browser-laptop