fix(app): file changes not always available

packages/app/src/pages/session.tsx

@@ -1649,7 +1649,7 @@ export default function Page() {
     const id = params.id
     if (!id) return
 
-    const wants = isDesktop() ? layout.fileTree.opened() && fileTreeTab() === "changes" : store.mobileTab === "changes"
+    const wants = isDesktop() ? layout.fileTree.opened() : store.mobileTab === "changes"
     if (!wants) return
     if (sync.data.session_diff[id] !== undefined) return
     if (sync.status === "loading") return