pkgs: add patch for pympress

overlay.nix

@@ -54,4 +54,8 @@ final: prev: {
   zfs_2_2 = prev.zfs_2_2.overrideAttrs {
     patches = [ ./pkgs/zfs/0001-ZED-add-support-for-desktop-notifications-D-Bus.patch ];
   };
+
+  pympress = prev.pympress.overrideDerivation (oldAttrs: {
+    patches = [ ./pkgs/python/pympress/0001-Fix-KDE-window-icon.patch ];
+  });
 }

pkgs/python/pympress/0001-Fix-KDE-window-icon.patch

@@ -0,0 +1,25 @@
+From ff4fb2534bae3dfe9ed12f323d23fc9df17ea447 Mon Sep 17 00:00:00 2001
+From: xenia <xenia@awoo.systems>
+Date: Mon, 7 Apr 2025 12:40:59 -0400
+Subject: [PATCH] Fix KDE window icon
+
+---
+ pympress/app.py | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/pympress/app.py b/pympress/app.py
+index 7f5e3b7..6286d3e 100644
+--- a/pympress/app.py
++++ b/pympress/app.py
+@@ -101,7 +101,7 @@ class Pympress(Gtk.Application):
+ 
+     def __init__(self):
+         GLib.set_application_name('pympress')
+-        # GLib.set_prgname('pympress')  # Let prgname be auto-determined from sys.argv[0]
++        GLib.set_prgname('io.github.pympress')
+         Gtk.Application.__init__(self, application_id='io.github.pympress',
+                                  flags=Gio.ApplicationFlags.HANDLES_OPEN | Gio.ApplicationFlags.CAN_OVERRIDE_APP_ID)
+ 
+-- 
+2.47.2
+