Fix issue where pressing the [return] key with an article highlighted would not open that article in the browser. KeyboardShortcut was calling a selector that didn't exist in the macOS app.
Fix issue where pressing the [return] key with an article highlighted would not open that article in the browser. KeyboardShortcut was calling a selector that didn't exist in the macOS app.

brentsimmons/Evergreen,brentsimmons/Evergreen,brentsimmons/Evergreen,brentsimmons/Evergreen