Game won't launch if Gamescope is enabled

Hi! I'm setting up HGL to play Rocket League. The game works with Proton-GE with the lastet version but I am looking to enable gamescope upscalling as I've observed the performance is better. I initially installed RL of lutris but I don't like the constant shader compilation during gameplay so I turned to HGL. However, when enabling gamescope, setting the resolution and other setting the game simply won't launch. The game stops launching after a few seconds with no message error. I've tested gamescope in lutris and it works with this game and my computer specs as FSR is on and DVKV is changed to GAMESCOPE in MangoHUD.

Other things I've tried is to set gamescope as a wrapper and set the environment variable ENABLE_GAMESCOPE_WSI=0 which has helped use gamescope in Steam games with my hardware. I've also tries using other wine versions or disabling umu, with no change in the result.

Thanks in advance for the help, as I can't find other ways to make it work. I attach the link for the logs of game. I'm using the flatpak version of HGL in Bazzite. Gamescope 24.08 is also installed with flatpak along with MangoHUD.
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