[UI] Show Cloud Save unsupported status

[redromnon]

• Display unsupported status for games that don't support cloud save syncing (eg. Linux Native GOG games, Rocket League, etc.)

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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)

[redromnon]

Display the status using a red label that's easily identifiable.

[flavioislima]

LGTM