network: Prompts Desktop App to ask for network setting in add-org page.

Fixes: #540.

app/renderer/js/main.ts

@@ -1005,6 +1005,10 @@ class ServerManagerView {
 				webview.send('set-idle');
 			});
 		});
+
+		ipcRenderer.on('open-network-settings', () => {
+			this.openSettings('Network');
+		});
 	}
 }