SteamClient.Init/IsValid = false in linux/steamdeck for unreleased AND released games

[AlaskanDruid]

Describe the bug

SteamClient.IsValid = false in Linux for unreleased AND released games.

To Reproduce
Steps to reproduce the behavior:

1. Follow getting started guide on this github's root page.
2. Deploy to SteamDeck via Devkit Management Tool.
3. Start

This error will show up when calling Init: "Steam Api_Init returned false. Steam isn't running. couldn't find Steam. App ID is "ureleased".

This error shows up whether your game is unreleased, or even if you released it (using the dedicated server trick).

The expected behavior is for init to succeed. and IsValid to be true.