obsidian: fix nvidia-gpu causing issues

overlays/obsidian/default.nix

@@ -0,0 +1,15 @@
+{ ... }:
+
+final: prev: {
+  obsidian = prev.obsidian.overrideAttrs (oldAttrs: rec {
+    # Add arguments to the .desktop entry
+    desktopItem = oldAttrs.desktopItem.override (desktopitem: {
+      exec = "${desktopitem.exec} --disable-gpu ";
+    });
+
+    # Update the install script to use the new .desktop entry
+    installPhase = builtins.replaceStrings [ "${oldAttrs.desktopItem}" ] [
+      "${desktopItem}"
+    ] oldAttrs.installPhase;
+  });
+}