Apply and Upgrade Eslint (#288)

* Upgrade ESLINT and fix issues

* feat: add frontend linting job to GitHub Actions workflow

* Move UI linting to separate file

* More linting fixes

* Remove pull_request trigger from UI linting workflow

* Update UI linting workflow

* Rename frontend-lint workflow to ui-lint for clarity

ui/src/hooks/useJsonRpc.ts

@@ -1,4 +1,5 @@
 import { useCallback, useEffect } from "react";
+
 import { useRTCStore } from "@/hooks/stores";
 
 export interface JsonRpcRequest {
@@ -56,7 +57,7 @@ export function useJsonRpc(onRequest?: (payload: JsonRpcRequest) => void) {
       // The "API" can also "request" data from the client
       // If the payload has a method, it's a request
       if ("method" in payload) {
-        onRequest && onRequest(payload);
+        if (onRequest) onRequest(payload);
         return;
       }