fix gen_range

rustpad-server/src/lib.rs

@@ -216,9 +216,7 @@ async fn persister(id: String, rustpad: Arc<Rustpad>, db: Database) {
     let mut last_revision = 0;
     while !rustpad.killed() {
         let interval = PERSIST_INTERVAL
-            + Duration::from_millis(
-                rand::thread_rng().gen_range(0..=PERSIST_INTERVAL_JITTER.as_millis() as u64),
-            );
+            + rand::thread_rng().gen_range(Duration::ZERO..=PERSIST_INTERVAL_JITTER);
         time::sleep(interval).await;
         let revision = rustpad.revision();
         if revision > last_revision {