Seek arrows should grey out as you move through the history back and forth.
The seek arrows right under the search bar in the code textview are always in color, and not giving any hint that they allow you to navigate through the browse history.
- They should start disabled and in grey.
- As soon as you click on an address, the back arrow should get enabled and in color.
- If you click on it, the forward would be enabled and the backwards should grey out.