fix: sddm theme

system/modules/display-manager.nix

@@ -1,31 +1,19 @@
-{ pkgs, ... }:
-
+{ pkgs, config, ... }:
 let
-  themeConfig = {
-    bgVidDay = "playlist/day.m3u";
-    bgVidNight = "playlist/night.m3u";
-  };
+  inherit (config.systemConf.sddm) theme package;
 in
 {
-  services = {
-    displayManager = {
-      sddm.wayland.enable = true;
-      sddm.enable = true;
-      sddm.theme = "${pkgs.callPackage ./../../pkgs/sddm-themes/gruvbox.nix {
-        inherit pkgs themeConfig;
-      }}";
-    };
+  services.displayManager.sddm = {
+    enable = true;
+    wayland.enable = true;
+    theme = theme;
+    settings.Theme.Current = theme;
   };
 
-  environment.systemPackages = with pkgs; [
-    # SDDM
-    libsForQt5.qt5.qtmultimedia
-    libsForQt5.qt5.qtquickcontrols2
-    libsForQt5.qt5.qtgraphicaleffects
-    libsForQt5.qt5.qtsvg
-    libsForQt5.qt5.qtwayland
-    pkgs.gst_all_1.gst-libav
-    pkgs.gst_all_1.gstreamer
-    pkgs.gst_all_1.gst-plugins-good
+  environment.systemPackages = with pkgs.kdePackages; [
+    package
+    qtmultimedia
+    qtbase
+    qtwayland
   ];
 }