fix: subscribe to macos open-file event after early window is registered

Author: giacomocusinato

Diff for: arduino-ide-extension/src/electron-main/theia/electron-main-application.ts

@@ -203,7 +203,6 @@ export class ElectronMainApplication extends TheiaElectronMainApplication {
           console.log(`${config.applicationName} ${app.getVersion()}`);
           app.on('ready', () => app.setName(config.applicationName));
           const cwd = process.cwd();
-          this.attachFileAssociations(cwd);
           this.useNativeWindowFrame =
             this.getTitleBarStyle(config) === 'native';
           this._config = await updateFrontendApplicationConfigFromPackageJson(
@@ -212,6 +211,7 @@ export class ElectronMainApplication extends TheiaElectronMainApplication {
           this._appInfo = updateAppInfo(this._appInfo, this._config);
           this.hookApplicationEvents();
           this.showInitialWindow(undefined);
+          this.attachFileAssociations(cwd);
           const [port] = await Promise.all([
             this.startBackend(),
             app.whenReady(),