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Bug: MdSidenav [opened] causes unresolved event _openPromiseReject

See original GitHub issue

Bug when using MdSidenav open as default: <md-sidenav #demo opened="true">

The browser claims of an error when trying to close it with <button md-button (click)="demo.close() / toggle()">Close</button>

core.umd.js:3427 EXCEPTION: Uncaught (in promise): undefinedErrorHandler.handleError @ core.umd.js:3427next @ core.umd.js:6901schedulerFn @ core.umd.js:6150SafeSubscriber.__tryOrUnsub @ Subscriber.ts:238SafeSubscriber.next @ Subscriber.ts:190Subscriber._next @ Subscriber.ts:135Subscriber.next @ Subscriber.ts:95Subject.next @ Subject.ts:61EventEmitter.emit @ core.umd.js:6142onError @ core.umd.js:6366onHandleError @ core.umd.js:6241ZoneDelegate.handleError @ zone.js:207Zone.runGuarded @ zone.js:113_loop_1 @ zone.js:379drainMicroTaskQueue @ zone.js:386ZoneTask.invoke @ zone.js:308
core.umd.js:3432 ORIGINAL STACKTRACE:ErrorHandler.handleError @ core.umd.js:3432next @ core.umd.js:6901schedulerFn @ core.umd.js:6150SafeSubscriber.__tryOrUnsub @ Subscriber.ts:238SafeSubscriber.next @ Subscriber.ts:190Subscriber._next @ Subscriber.ts:135Subscriber.next @ Subscriber.ts:95Subject.next @ Subject.ts:61EventEmitter.emit @ core.umd.js:6142onError @ core.umd.js:6366onHandleError @ core.umd.js:6241ZoneDelegate.handleError @ zone.js:207Zone.runGuarded @ zone.js:113_loop_1 @ zone.js:379drainMicroTaskQueue @ zone.js:386ZoneTask.invoke @ zone.js:308
core.umd.js:3433 Error: Uncaught (in promise): undefined
    at resolvePromise (zone.js:429)
    at MdSidenav.eval [as _openPromiseReject] (zone.js:406)
    at MdSidenav._onTransitionEnd (sidenav.js:164)
    at DebugAppView._View_AppComponent0._handle_transitionend_2_2 (AppComponent.ngfactory.js:732)
    at eval (core.umd.js:9678)
    at eval (platform-browser.umd.js:1813)
    at eval (platform-browser.umd.js:1926)
    at ZoneDelegate.invoke (zone.js:203)
    at Object.onInvoke (core.umd.js:6220)
    at ZoneDelegate.invoke (zone.js:202)ErrorHandler.handleError @ core.umd.js:3433next @ core.umd.js:6901schedulerFn @ core.umd.js:6150SafeSubscriber.__tryOrUnsub @ Subscriber.ts:238SafeSubscriber.next @ Subscriber.ts:190Subscriber._next @ Subscriber.ts:135Subscriber.next @ Subscriber.ts:95Subject.next @ Subject.ts:61EventEmitter.emit @ core.umd.js:6142onError @ core.umd.js:6366onHandleError @ core.umd.js:6241ZoneDelegate.handleError @ zone.js:207Zone.runGuarded @ zone.js:113_loop_1 @ zone.js:379drainMicroTaskQueue @ zone.js:386ZoneTask.invoke @ zone.js:308
zone.js:357 Error: Uncaught (in promise): undefined(…)