Fix some Clippy warnings on its default level

Author: Lonami

lib/grammers-client/src/client/chats.rs

@@ -293,8 +293,7 @@ impl ProfilePhotoIter {
                     iter.request.offset += photos.len() as i32;
                 }
 
-                iter.buffer
-                    .extend(photos.into_iter().map(|x| Photo::from_raw(x)));
+                iter.buffer.extend(photos.into_iter().map(Photo::from_raw));
 
                 Ok(total)
             }

lib/grammers-client/src/client/updates.rs

@@ -182,7 +182,7 @@ impl Client {
                 continue;
             }
 
-            let sleep = pin!(async { sleep_until(deadline.into()).await });
+            let sleep = pin!(async { sleep_until(deadline).await });
             let step = pin!(async { self.step().await });
 
             match select(sleep, step).await {

lib/grammers-mtsender/src/utils.rs

@@ -72,7 +72,7 @@ impl Timeout {
 pub async fn sleep(duration: Duration) {
     #[cfg(not(all(target_arch = "wasm32", target_os = "unknown")))]
     {
-        return tokio::time::sleep(duration).await;
+        tokio::time::sleep(duration).await;
     }
     #[cfg(all(target_arch = "wasm32", target_os = "unknown"))]
     {
@@ -84,7 +84,7 @@ pub async fn sleep(duration: Duration) {
 pub async fn sleep_until(deadline: Instant) {
     #[cfg(not(all(target_arch = "wasm32", target_os = "unknown")))]
     {
-        return tokio::time::sleep_until(deadline.into()).await;
+        tokio::time::sleep_until(deadline.into()).await;
     }
     #[cfg(all(target_arch = "wasm32", target_os = "unknown"))]
     {

lib/grammers-session/src/lib.rs

@@ -169,7 +169,7 @@ impl Session {
     }
 
     pub fn get_dcs(&self) -> Vec<enums::DataCenter> {
-        self.session.lock().unwrap().dcs.iter().cloned().collect()
+        self.session.lock().unwrap().dcs.to_vec()
     }
 
     #[must_use]