fix: Use upstream fix for SDDM

Author: KyleGospo

Containerfile

@@ -384,6 +384,7 @@ RUN --mount=type=cache,dst=/var/cache \
             kde-partitionmanager \
             plasma-discover \
             konsole && \
+        dnf5 -y upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2025-f2fe101009 && \
         sed -i 's@\[Desktop Action new-window\]@\[Desktop Action new-window\]\nX-KDE-Shortcuts=Ctrl+Alt+T@g' /usr/share/applications/org.gnome.Ptyxis.desktop && \
         sed -i '/^Comment/d' /usr/share/applications/org.gnome.Ptyxis.desktop && \
         sed -i 's@Exec=ptyxis@Exec=kde-ptyxis@g' /usr/share/applications/org.gnome.Ptyxis.desktop && \