[ACA-2087] Overlay Viewer (#1175)

* viewer outlet over preview route

* use ViewNodeAction over ViewFileAction

* pass data to dynamic component

* ViewNodeComponent for view file  custom actions

* update docs

* pass primary url to show preview outlet

* update tests

* reset selection on navigation event

* document list update selection action when not viewer

* close viewer for move and delete from viewer

* location as router commands to work with search query

* make viewer to behave like former preview

* viewer error route

* call correct preview method

* remove view/error route

* navigate to show error

* span element for action name

* fix folder navigation

* fix test

* page title fix

* update tests

* locate better the viewer toolbar

* fix viewer url  link

* update navigation rules

* document-list directive tests

* try workaround for chrome 76

* try another workaround for using chromedriver 75 instead of 76

* ViewerEffects tests

* reset selection over reload

* fix tests

* add reset event test

* remove actions

* context menu action refresh on favourite

* reset selection on navigation

* add delete and upload events

* takeUntil after operators

* remove chrome workaround parameter

* filter navigation event

src/app/app.component.ts

@@ -33,7 +33,7 @@ import {
   SharedLinksApiService
 } from '@alfresco/adf-core';
 import { Component, OnInit, OnDestroy } from '@angular/core';
-import { ActivatedRoute, NavigationEnd, Router } from '@angular/router';
+import { ActivatedRoute, Router, ActivationEnd } from '@angular/router';
 import { Store } from '@ngrx/store';
 import { AppExtensionService } from './extensions/extension.service';
 import {
@@ -97,22 +97,21 @@ export class AppComponent implements OnInit, OnDestroy {
 
     this.loadAppSettings();
 
-    const { router, pageTitle, route } = this;
+    const { router, pageTitle } = this;
 
-    router.events
-      .pipe(filter(event => event instanceof NavigationEnd))
-      .subscribe(() => {
-        let currentRoute = route.root;
-
-        while (currentRoute.firstChild) {
-          currentRoute = currentRoute.firstChild;
-        }
-
-        const snapshot: any = currentRoute.snapshot || {};
+    this.router.events
+      .pipe(
+        filter(
+          event =>
+            event instanceof ActivationEnd &&
+            event.snapshot.children.length === 0
+        )
+      )
+      .subscribe((event: ActivationEnd) => {
+        const snapshot: any = event.snapshot || {};
         const data: any = snapshot.data || {};
 
         pageTitle.setTitle(data.title || '');
-
         this.store.dispatch(new SetCurrentUrlAction(router.url));
       });