Add kde patches

The nixpkgs patch is to clear out a conflict with a patch that's applied
to plasma-workspace by nixpkgs

roles/kde/patches/plasma-workspace/pr5589.patch

@@ -0,0 +1,37 @@
+From 2278398309c68ce401a8e35b193fca3782391a4a Mon Sep 17 00:00:00 2001
+From: Nate Graham <nate@kde.org>
+Date: Thu, 12 Jun 2025 09:15:15 -0600
+Subject: [PATCH] applets/devicenotifier: use standard section header
+
+No need for a custom header here when we have a standard one.
+
+CCBUG: 442724
+---
+ .../package/contents/ui/FullRepresentation.qml         | 10 ++--------
+ 1 file changed, 2 insertions(+), 8 deletions(-)
+
+diff --git a/applets/devicenotifier/package/contents/ui/FullRepresentation.qml b/applets/devicenotifier/package/contents/ui/FullRepresentation.qml
+index 967223e0a1a..a0c28df45fe 100644
+--- a/applets/devicenotifier/package/contents/ui/FullRepresentation.qml
++++ b/applets/devicenotifier/package/contents/ui/FullRepresentation.qml
+@@ -132,15 +132,9 @@ PlasmaExtras.Representation {
+ 
+             section {
+                 property: "deviceType"
+-                delegate: Item {
+-                    height: Math.floor(childrenRect.height)
++                delegate: PlasmaExtras.ListSectionHeader {
+                     width: notifierDialog.width - (scrollView.PlasmaComponents3.ScrollBar.vertical.visible ? Kirigami.Units.largeSpacing * 2 : 0)
+-                    Kirigami.Heading {
+-                        level: 3
+-                        opacity: 0.6
+-                        text: section
+-                        textFormat: Text.PlainText
+-                    }
++                    text: section
+                 }
+             }
+ 
+-- 
+GitLab
+