src/vs/platform/update/electron-main/abstractUpdateService.ts/AbstractUpdateService/applyUpdate
class AbstractUpdateService:	async applyUpdate(): Promise<void> {
		this.logService.trace('update#applyUpdate, state = ', this.state.type);

		if (this.state.type !== StateType.Downloaded) {
			return;
		}

		await this.doApplyUpdate();
	}