Inline link toolbar, Mac and Chrome, iPhone 6+

With 4.3-alpha-32949. For #32604.

Being able to visit links from within the editor means no more cut-and-paste. Love it. Seeing the link without having to pop up the modal is also nice.

Mac and chrome:

iPhone 6+:

#32604, #4-3, #beta, #chrome, #editor, #ios, #link-toolbar, #links, #macos, #safari, #visual-survey, #web