libvesktop: native dbus module for autostart & app badge (#1180)

Both setAppBadge and autoStart at system boot now use dbus calls. This means that autoStart will work in Flatpak

packages/libvesktop/test.js

@@ -0,0 +1,22 @@
+/**
+ * @type {typeof import(".")}
+ */
+const libVesktop = require(".");
+const test = require("node:test");
+const assert = require("node:assert/strict");
+
+test("getAccentColor should return a number", () => {
+    const color = libVesktop.getAccentColor();
+    assert.strictEqual(typeof color, "number");
+});
+
+test("updateUnityLauncherCount should return true (success)", () => {
+    assert.strictEqual(libVesktop.updateUnityLauncherCount(5), true);
+    assert.strictEqual(libVesktop.updateUnityLauncherCount(0), true);
+    assert.strictEqual(libVesktop.updateUnityLauncherCount(10), true);
+});
+
+test("requestBackground should return true (success)", () => {
+    assert.strictEqual(libVesktop.requestBackground(true, ["bash"]), true);
+    assert.strictEqual(libVesktop.requestBackground(false, []), true);
+});