[General] Improvements in language selector when installing game

[dawidgarus]

On game installation dialog

• Available languages are now displayed as human readable names instead of codes
• Attempt to select by default language that matches the language of the application interface

Preview:

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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]

Looks good. Will test later!
@imLinguin take a look as well if you have time 👍🏽

[imLinguin]

Have you tested how it behaves for older games that use old depot system (V1)?
Those are mostly human readable by default.

[dawidgarus]

Have you tested how it behaves for older games that use old depot system (V1)? Those are mostly human readable by default.

I didn't test it with anything other than GOG games, because I don't own any Epic game that prompts for selecting language.
But I wrote the code to fail gracefully. If translation can't be find by Intl for any reason, it will fallback to original value.
As for default selected value, it will also fallback to selecting first on list, with one caveat - it may in some edge cases default "random" language.

[imLinguin]

Then it's going to work for V1 games too.

Good job ⚔️