Theme changer: Wait for hyprpaper socket to be available

.scripts/theme-changer.sh

@@ -178,6 +178,9 @@ function set_betterdiscord_theme {
 function set_desktop_wallpaper_theme {
 	if ! pgrep -u "$USER" hyprpaper > /dev/null; then
 		hyprctl dispatch exec hyprpaper > /dev/null
+		while ! hyprctl hyprpaper listloaded &> /dev/null; do
+			sleep 0.25
+		done
 	fi
 
 	hyprctl hyprpaper preload "$wallpaper"