fix: inject DOCUMENT

[timdeschryver]

@FabianGosebrink the example apps are not working anymore.
This is probably something we missed in #1917

core.mjs:11760  ERROR NullInjectorError: R3InjectorError(AppModule)[OidcSecurityService -> CheckAuthService -> SilentRenewService -> ImplicitFlowCallbackService -> IntervalService -> Document -> Document]: 
  NullInjectorError: No provider for Document!
    at NullInjector.get (core.mjs:5626:27)
    at R3Injector.get (core.mjs:6069:33)
    at R3Injector.get (core.mjs:6069:33)
    at injectInjectorOnly (core.mjs:911:40)
    at ɵɵinject (core.mjs:917:60)
    at inject (core.mjs:1001:12)
    at new IntervalService (interval.service.ts:8:37)
    at Object.IntervalService_Factory [as factory] (interval.service.ts:40:4)
    at core.mjs:6189:43
    at runInInjectorProfilerContext (core.mjs:867:9)

[FabianGosebrink]

Ah shoot. I found one of those errors but missed this one. Yes, that one is on me. Thanks!