More refactoring + reusing the server's store on the client

src/app/core/core.module.ts

@@ -5,6 +5,7 @@ import { isNotEmpty } from "../shared/empty.util";
 import { FooterComponent } from "./footer/footer.component";
 import { DSpaceRESTv2Service } from "./dspace-rest-v2/dspace-rest-v2.service";
 import { ObjectCacheService } from "./cache/object-cache.service";
+import { RequestCacheService } from "./cache/request-cache.service";
 import { CollectionDataService } from "./data-services/collection-data.service";
 import { ItemDataService } from "./data-services/item-data.service";
 
@@ -25,7 +26,8 @@ const PROVIDERS = [
   CollectionDataService,
   ItemDataService,
   DSpaceRESTv2Service,
-  ObjectCacheService
+  ObjectCacheService,
+  RequestCacheService
 ];
 
 @NgModule({