[UX] Allow going back to a previous screen when no more webview history

[arielj]

This PR fixes #3399

Now we can go back to whatever opened the webview, we can go back to the game page after clicking Store page in the game page.

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Use the following Checklist if you have changed something on the Backend or Frontend:

• Tested the feature and it's working on a current and clean install.
• Tested the main App features and they are still working on a current and clean install. (Login, Install, Play, Uninstall, Move games, etc.)
• Created / Updated Tests (If necessary)
• Created / Updated documentation (If necessary)

[flavioislima]

lgtm