refactor: simplify rpc code (#2823)

apps/electron/src/main/helper-process.ts

@@ -92,7 +92,7 @@ class HelperProcessManager {
       ...appMethods,
     };
 
-    const server = AsyncCall<PeersAPIs.HelperToMain>(mainToHelperServer, {
+    this.rpc = AsyncCall<PeersAPIs.HelperToMain>(mainToHelperServer, {
       strict: {
         // the channel is shared for other purposes as well so that we do not want to
         // restrict to only JSONRPC messages
@@ -100,7 +100,6 @@ class HelperProcessManager {
       },
       channel: new MessageEventChannel(this.#process),
     });
-    this.rpc = server;
   }
 }
 

apps/electron/src/main/index.ts

@@ -66,6 +66,5 @@ app
   .then(ensureHelperProcess)
   .then(restoreOrCreateWindow)
   .then(createApplicationMenu)
-  .then()
   .then(registerUpdater)
   .catch(e => console.error('Failed create window:', e));