🔧 chore(bar/apps, bar/focused-client): use onClicked prop instead of connecting to signal, fix str being null sometimes

ags/widget/bar/Apps.tsx

@@ -6,11 +6,7 @@ import { tr } from "../../i18n/intl";
 export const Apps = () => 
     <Gtk.Button class={createBinding(Windows.getDefault(), "openWindows").as((openWindows) => 
           `apps ${Object.hasOwn(openWindows, "apps-window") ? "open" : ""}`
-        )} $={(self) => {
-            const conns: Array<number> = [
-                self.connect("clicked", (_) => Windows.getDefault().open("apps-window")),
-                self.connect("destroy", (_) => conns.forEach(id => self.disconnect(id)))
-            ];
-        }} iconName={"applications-other-symbolic"} halign={Gtk.Align.CENTER}
-        hexpand={true} tooltipText={tr("apps")}
+      )} iconName={"applications-other-symbolic"} halign={Gtk.Align.CENTER}
+      hexpand tooltipText={tr("apps")} onClicked={() => 
+          Windows.getDefault().open("apps-window")}
     />;