Use board-global card registry to handle focus

This also disabled selections

frontend/src/app/components/wp-card-view/wp-card-view.component.ts

@@ -147,7 +147,11 @@ export class WorkPackageCardViewComponent extends UntilDestroyedMixin implements
 
     // Register event handlers for the cards
     let registry = this.injector.get<any>(WorkPackageViewHandlerToken, CardViewHandlerRegistry);
+    if (registry instanceof CardViewHandlerRegistry) {
+      registry.attachTo(this);
+    } else {
       new registry(this.injector).attachTo(this);
+    }
     this.wpTableSelection.registerSelectAllListener(() => {
       return this.cardView.renderedCards;
     });

frontend/src/app/modules/boards/board/board-partitioned-page/board-partitioned-page.component.ts

@@ -24,6 +24,12 @@ import {UntilDestroyedMixin} from "core-app/helpers/angular/until-destroyed.mixi
 import {QueryResource} from "core-app/modules/hal/resources/query-resource";
 import {Ng2StateDeclaration} from "@uirouter/angular";
 import {BoardFiltersService} from "core-app/modules/boards/board/board-filter/board-filters.service";
+import {WorkPackageViewHandlerToken} from "core-app/modules/work_packages/routing/wp-view-base/event-handling/event-handler-registry";
+import {CardViewHandlerRegistry} from "core-components/wp-card-view/event-handler/card-view-handler-registry";
+
+export function boardCardViewHandlerFactory(injector:Injector) {
+  return new CardViewHandlerRegistry(injector);
+}
 
 @Component({
   templateUrl: '/app/modules/work_packages/routing/partitioned-query-space-page/partitioned-query-space-page.component.html',
@@ -34,6 +40,7 @@ import {BoardFiltersService} from "core-app/modules/boards/board/board-filter/bo
   providers: [
     DragAndDropService,
     BoardFiltersService,
+    { provide: WorkPackageViewHandlerToken, useFactory: boardCardViewHandlerFactory, deps: [Injector] },
   ]
 })
 export class BoardPartitionedPageComponent extends UntilDestroyedMixin {