Update LauncherSearch.qml

fix /wallpaper in launcher not working

dots/.config/quickshell/ii/services/LauncherSearch.qml

@@ -7,6 +7,7 @@ import QtQuick
 import Qt.labs.folderlistmodel
 import Quickshell
 import Quickshell.Io
+import Quickshell.Hyprland
 
 Singleton {
     id: root
@@ -108,7 +109,7 @@ Singleton {
         {
             action: "wallpaper",
             execute: () => {
-                GlobalStates.wallpaperSelectorOpen = true;
+                Hyprland.dispatch("global quickshell:wallpaperSelectorToggle")
             }
         },
         {