fix(desktop): prefer omarchy background setter

desktop/script/set-wallpaper.sh

@@ -18,11 +18,6 @@ elif [[ "$2" == "-r" ]]; then
 	RES_ARGS="-r $3"
 fi
 
-if [[ ! -x /usr/bin/awww ]]; then
-	echo "required awww — please install with yay -S awww" >&2
-	exit 0
-fi
-
 # Paths
 BACKGROUNDS_DIR="$HOME/Sync/Shared/wallpapers"
 CURRENT_BACKGROUND_LINK="$HOME/.local/state/omarchy/current/background"
@@ -46,6 +41,15 @@ if [[ ! -f "$FILE_PATH" ]]; then
 	exit 1
 fi
 
+if [[ -x /usr/bin/omarchy-theme-bg-set ]]; then
+    /usr/bin/omarchy-theme-bg-set $FILE_PATH && exit 0
+fi
+
+if [[ ! -x /usr/bin/awww ]]; then
+	echo "required awww — please install with yay -S awww" >&2
+	exit 0
+fi
+
 ln -nsf "$FILE_PATH" "$CURRENT_BACKGROUND_LINK" &&
 	setsid uwsm app -- awww img "$CURRENT_BACKGROUND_LINK" &&
 	exit 0