src/vs/workbench/browser/actions/workspaceActions.ts/OpenWorkspaceConfigFileAction/run
class OpenWorkspaceConfigFileAction:	override async run(): Promise<void> {
		const configuration = this.workspaceContextService.getWorkspace().configuration;
		if (configuration) {
			await this.editorService.openEditor({ resource: configuration, options: { pinned: true } });
		}
	}