Enable frontend tests in Electron

electron/main.cts

@@ -352,16 +352,12 @@ function createMenu(): void {
           label: 'About RUWIO',
           click: () => sendAppCommand('about'),
         },
-        ...(isDev
-          ? [
-              { type: 'separator' as const },
-              {
-                label: 'Open Test Runner',
-                accelerator: 'CmdOrCtrl+Shift+Alt+T',
-                click: () => sendAppCommand('test-runner'),
-              },
-            ]
-          : []),
+        { type: 'separator' },
+        {
+          label: 'Open Test Runner',
+          accelerator: 'CmdOrCtrl+Shift+Alt+T',
+          click: () => sendAppCommand('test-runner'),
+        },
       ],
     },
   ]