CB-9584 OSX: add config to enable webview debug menu
CB-9584 OSX: add config to enable webview debug menu

- not setting the debug menu, this can be done via `defaults`
- disabling the console override when WebKitDeveloperExtras is set.

adobe-rnd/cordova-osx,tripodsan/cordova-osx,Jigsaw-Code/cordova-osx,apache/cordova-osx,apache/cordova-osx,tripodsan/cordova-osx,Jigsaw-Code/cordova-osx,tripodsan/cordova-osx,Jigsaw-Code/cordova-osx,tripodsan/cordova-osx,apache/cordova-osx,adobe-rnd/cordova-osx,adobe-rnd/cordova-osx,adobe-rnd/cordova-osx,Jigsaw-Code/cordova-osx,apache/cordova-osx,tripodsan/cordova-osx,adobe-rnd/cordova-osx,Jigsaw-Code/cordova-osx,apache/cordova-osx