fix(app): hide unavailable titlebar update (#30642)

packages/app/src/pages/layout/update.test.ts

@@ -0,0 +1,19 @@
+import { describe, expect, test } from "bun:test"
+import { runUpdateAndRestart } from "./update"
+
+describe("runUpdateAndRestart", () => {
+  test("clears the installing state when restart resolves without exiting", async () => {
+    const states: boolean[] = []
+    await new Promise<void>((resolve) => {
+      runUpdateAndRestart(
+        async () => {},
+        (installing) => {
+          states.push(installing)
+          if (states.length === 2) resolve()
+        },
+      )
+    })
+
+    expect(states).toEqual([true, false])
+  })
+})

packages/app/src/pages/layout/update.ts

@@ -0,0 +1,10 @@
+export function runUpdateAndRestart(
+  updateAndRestart: (() => Promise<void>) | undefined,
+  setInstalling: (installing: boolean) => void,
+) {
+  if (!updateAndRestart) return
+  setInstalling(true)
+  void updateAndRestart()
+    .catch(() => undefined)
+    .finally(() => setInstalling(false))
+}