Linting fixes

src/app.rs

@@ -387,7 +387,7 @@ impl App {
         }
 
         if let Some(sorters) = &config.general.initial_sorting {
-            explorer_config.sorters = sorters.clone();
+            explorer_config.sorters.clone_from(sorters);
         };
 
         let hostname = gethostname().to_string_lossy().to_string();

src/runner.rs

@@ -474,7 +474,7 @@ impl Runner {
                                 }
 
                                 if app.pwd != last_pwd {
-                                    last_pwd = app.pwd.clone();
+                                    last_pwd.clone_from(&app.pwd);
 
                                     // $PWD watcher
                                     tx_pwd_watcher.send(app.pwd.clone())?;