feat: support installed guests and distribution display defaults

dev/tools.nix

@@ -8,6 +8,9 @@ let
     url = "https://github.com/NixOS/nixpkgs/archive/7fd4004d0511991fff3a0524856a9be09e28c5f0.tar.gz";
     sha256 = "sha256-i5qk1kLiit98rRbh1AXmWBNT9QXC/y4l5Wk/u5EdpDQ=";
   }) {};
+  qemu = pkgs.qemu.overrideAttrs (old: {
+    patches = (old.patches or []) ++ [ ../patches/qemu-virtio-refresh-rate.patch ];
+  });
   viewer = pkgs.virt-viewer.overrideAttrs (old: {
     src = pkgs.fetchurl {
       url = "https://releases.pagure.org/virt-viewer/virt-viewer-11.0.tar.xz";
@@ -17,7 +20,7 @@ let
     doCheck = true;
   });
 in pkgs.mkShell {
-  packages = [ pkgs.python3 pkgs.qemu viewer graphics.labwc pkgs.foot
+  packages = [ pkgs.python3 qemu viewer graphics.labwc pkgs.foot
                pkgs.brightnessctl pkgs.wayland-utils pkgs.wlr-randr ];
-  passthru = { inherit viewer; labwc = graphics.labwc; };
+  passthru = { inherit viewer qemu; labwc = graphics.labwc; };
 }