use String::default() for empty strings

as suggested by diamante quality control ™️

src/http_async.rs

@@ -47,6 +47,6 @@ pub async fn download_file(
         pb.set_position(new);
     }
 
-    pb.set_message("");
+    pb.set_message(String::default());
     Ok(())
 }

src/main.rs

@@ -442,7 +442,7 @@ async fn main() {
         cfg.args = pass;
         arg_remove_value(&mut args, "--pass");
     } else if cfg.args.is_empty() {
-        cfg.args = String::from("");
+        cfg.args = String::default();
     }
 
     let games_json = http::get_body_string(format!("{}/games.json", MASTER).as_str());

src/structs.rs

@@ -32,7 +32,7 @@ impl Default for Config {
             download_bonus_content: false,
             ask_bonus_content: true,
             force_update: false,
-            args: String::from(""),
+            args: String::default(),
         }
     }
 }