[ADF-2316] upgrade ngx-translate (#2956)

* upgrade ngx-translate

* add missing export

* add missing export

* Update test-e2e-bc.sh

* rxjs fixes

* increase timeout test

* lettable operator translate

lib/core/core.module.ts

@@ -20,7 +20,6 @@ import { HttpClient, HttpClientModule } from '@angular/common/http';
 import { NgModule, ModuleWithProviders } from '@angular/core';
 import { FormsModule, ReactiveFormsModule } from '@angular/forms';
 import { TranslateModule, TranslateLoader } from '@ngx-translate/core';
-import { TranslateStore } from '@ngx-translate/core/src/translate.store';
 
 import { MaterialModule } from './material.module';
 import { AppConfigModule } from './app-config/app-config.module';
@@ -206,7 +205,6 @@ export class CoreModule {
                         source: 'assets/adf-core'
                     }
                 },
-                TranslateStore,
                 ...providers()
             ]
         };

lib/core/package.json

@@ -25,7 +25,7 @@
     "@angular/platform-browser": "5.1.1",
     "@angular/platform-browser-dynamic": "5.1.1",
     "@angular/router": "5.1.1",
-    "@ngx-translate/core": "8.0.0",
+    "@ngx-translate/core": "9.1.1",
     "alfresco-js-api": "2.1.0",
     "chart.js": "2.5.0",
     "core-js": "2.4.1",

lib/core/services/translate-loader.service.ts

@@ -23,6 +23,7 @@ import { Observable } from 'rxjs/Observable';
 import { ComponentTranslationModel } from '../models/component.model';
 import { ObjectUtils } from '../utils/object-utils';
 import { LogService } from './log.service';
+import { map } from 'rxjs/operators'
 import 'rxjs/observable/forkJoin';
 import 'rxjs/add/observable/forkJoin';
 
@@ -63,10 +64,9 @@ export class TranslateLoaderService implements TranslateLoader {
                 const loader = Observable.create(observer => {
                     const translationUrl = `${component.path}/${this.prefix}/${lang}${this.suffix}?v=${Date.now()}`;
 
-                    this.http.get(translationUrl)
-                        .map((res: Response) => {
-                            component.json[lang] = res;
-                        }).subscribe((result) => {
+                    this.http.get(translationUrl).pipe(map((res: Response) => {
+                        component.json[lang] = res;
+                    })).subscribe((result) => {
                         observer.next(result);
                         observer.complete();
                     }, () => {