fix(app): latch startup store readiness

packages/app/src/hooks/use-latched-boolean.ts

@@ -0,0 +1,13 @@
+import { useEffect, useState } from "react";
+
+export function useLatchedBoolean(value: boolean): boolean {
+  const [hasLatched, setHasLatched] = useState(value);
+
+  useEffect(() => {
+    if (value) {
+      setHasLatched(true);
+    }
+  }, [value]);
+
+  return hasLatched || value;
+}