src/vs/workbench/browser/actions/workspaceActions.ts/OpenWorkspaceConfigFileAction/run
class OpenWorkspaceConfigFileAction:	override async run(accessor: ServicesAccessor): Promise<void> {
		const contextService = accessor.get(IWorkspaceContextService);
		const editorService = accessor.get(IEditorService);

		const configuration = contextService.getWorkspace().configuration;
		if (configuration) {
			await editorService.openEditor({ resource: configuration, options: { pinned: true } });
		}
	}