Merge pull request #22615 from Chocobo1/webui_eslint

* WebUI: disallow unnecessary semicolons
* WebUI: ensure consistent shorthand syntax
* WebUI: disallow async functions which have no await expression
* WebUI: remove unused variable

src/webui/www/private/scripts/client.js

@@ -1818,5 +1818,5 @@ window.addEventListener("load", async () => {
             console.error(`Unexpected 'selected_window_tab' value: ${previouslyUsedTab}`);
             document.getElementById("transfersTabLink").click();
             break;
-    };
+    }
 });