See attached image of Remap Controls screen with no text labels on any buttons.

Specs:

CPU: 4x Intel(R) Core(TM) i5-2500K CPU @ 3.30GHz
Memory: 16.75 GB (used: 10.93 GB)
GPUs:
GPU 0:
Name: NVIDIA Corporation GP104 [GeForce GTX 1070 Ti]
IDs: D=1b82 V=10de SD=8623 SV=1043
Driver: nvidia
OS: Pop!_OS 22.04 LTS (linux)

The current system is not a Steam Deck
We are running inside a Flatpak container

Software Versions:
Heroic: 2.15.2 Emeth
Legendary: 0.20.36 Urban Flight (Heroic)
gogdl: 1.1.2
comet: comet 0.1.2

Nile: 1.1.2 Will A. Zeppeli

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Updated that either by using Heroic Games Launcher or via Steam: selecting Proton 8 fixed any issues with the game.