budgie-control-center: Fix GCC 14 build

Also explicitly add gstreamer as a direct dependency.

pkgs/by-name/bu/budgie-control-center/package.nix

@@ -21,6 +21,7 @@
   glib-networking,
   glibc,
   gnome,
+  gst_all_1,
   gnome-bluetooth_1_0,
   gnome-color-manager,
   gnome-desktop,
@@ -117,6 +118,7 @@ stdenv.mkDerivation (finalAttrs: {
     glib
     glib-networking
     gnome-desktop
+    gst_all_1.gstreamer
     adwaita-icon-theme
     cheese
     gnome-bluetooth_1_0
@@ -183,6 +185,11 @@ stdenv.mkDerivation (finalAttrs: {
 
   separateDebugInfo = true;
 
+  # Fix GCC 14 build.
+  # cc-display-panel.c:962:41: error: passing argument 1 of 'gtk_widget_set_sensitive'
+  # from incompatible pointer type [-Wincompatible-pointer-types]
+  env.NIX_CFLAGS_COMPILE = "-Wno-error=incompatible-pointer-types";
+
   passthru = {
     tests.version = testers.testVersion { package = finalAttrs.finalPackage; };
     updateScript = nix-update-script { };