steam: utilisation nouvelle option + fix CK3

systems/common-gui.nix

@@ -12,7 +12,6 @@
     (winetricks.override {
       wine = wineWowPackages.staging;
     })
-    steam
     sc-controller
     steam-run
     minecraft
@@ -80,10 +79,9 @@
 
   console.keyMap = "fr";
 
+  programs.steam.enable = true;
+
   hardware = {
-    opengl.driSupport32Bit = true;
-    pulseaudio.support32Bit = true;
-    steam-hardware.enable = true;
     pulseaudio.enable = true;
   };
 
@@ -124,4 +122,9 @@
       ];
     };
   };
+
+  environment.etc = {
+    # CK3 fix
+    "ssl/certs/f387163d.0".source = "${pkgs.cacert.unbundled}/etc/ssl/certs/Starfield_Class_2_CA.crt";
+  };
 }