Please uninstall the extension '<email address hidden>' because it seems to be broken, then see if night light works using the normal controls in Settings.
If it still doesn't work after that then it sounds like the problem is:
gnome-shell[1269]: Failed to set CRTC gamma: drmModeCrtcSetGamma on CRTC 51 failed: Permission non accordée
Please uninstall the extension '<email address hidden>' because it seems to be broken, then see if night light works using the normal controls in Settings.
If it still doesn't work after that then it sounds like the problem is:
gnome-shell[1269]: Failed to set CRTC gamma: drmModeCrtcSetGamma on CRTC 51 failed: Permission non accordée