src/vs/workbench/browser/web.main.ts/BrowserMain/initializeUserData
class BrowserMain:	private async initializeUserData(userDataInitializationService: UserDataInitializationService, configurationService: WorkspaceService) {
		if (await userDataInitializationService.requiresInitialization()) {
			mark('code/willInitRequiredUserData');

			// Initialize required resources - settings & global state
			await userDataInitializationService.initializeRequiredResources();

			// Important: Reload only local user configuration after initializing
			// Reloading complete configuration blocks workbench until remote configuration is loaded.
			await configurationService.reloadLocalUserConfiguration();

			mark('code/didInitRequiredUserData');
		}
	}