[6.0] Controls tab display looks broken when story has no controls

[lauriharpf]

Describe the bug
The message displayed in the Controls tab when story has no controls configured has some issues:

1. The text layout makes the view look "broken", as the two sentences are joined together ("controlsLearn how"...)
2. The second sentence ("Learn how to add controls") is a link that opens the browser, but there's no visual hint - the text looks identical to the one that is not a link.
3. There is a disabled RESET-button that has no purpose (since there are no controls, there is nothing to reset)

See screenshot below:

To Reproduce
Steps to reproduce the behavior:

1. Run the example app under examples/native
2. Select the top story ("Background StoriesOf -> Basic")
3. Press "Addons"
4. Open the "Controls" tab

Expected behavior
The app should show a message that doesn't have the issues described above, for example something like this:

[wahyunurrosyid]

mantap

[dannyhw]

@wahyunurrosyid please don't leave comments like this that provide no value, I look through all issue comments so this just wastes time.