niri updates

modules/home/niri.nix

@@ -97,6 +97,7 @@ in
           XDG_CURRENT_DESKTOP = "niri";
           XDG_SESSION_TYPE = "wayland";
           MOZ_ENABLE_WAYLAND = "1";
+          ELECTRON_OZONE_PLATFORM_HINT = "auto";
         };
 
         cursor = {
@@ -226,6 +227,17 @@ in
             open-maximized = true;
           }
 
+          {
+            matches = [
+              { app-id="steam"; title="r#\"^notificationtoasts_\d+_desktop$\"#"; }
+            ];
+            default-floating-position = {
+              x = 10;
+              y = 10;
+              relative-to = "bottom-right";
+            };
+          }
+
           {
             matches = [
               { is-floating = true; }