fix open in app browser for mac and iOS

Mac/MainWindow/MainWindowController.swift

@@ -273,6 +273,11 @@ class MainWindowController : NSWindowController, NSUserInterfaceValidations {
 		openArticleInBrowser(sender)
 	}
 
+	@objc func openFeedInAppBrowser(_ sender: Any?) {
+		// There is no In-App Browser for mac - so we use safari
+		openArticleInBrowser(sender)
+	}
+
 	@IBAction func openInBrowserUsingOppositeOfSettings(_ sender: Any?) {
 		if let link = currentLink {
 			Browser.open(link, inBackground: !AppDefaults.openInBrowserInBackground)

Shared/Resources/GlobalKeyboardShortcuts.plist

@@ -110,7 +110,7 @@
 		<key>key</key>
 		<string>[return]</string>
 		<key>action</key>
-		<string>openInBrowser:</string>
+		<string>openFeedInAppBrowser:</string>
 	</dict>
 	<dict>
 		<key>key</key>