[ACA-1696] contextmenu (#587)

* enbale contextmenu by default

* attach event only when backdrop is set

* outside event for contextmenu

* apply outside event directive

* workaround fro contextmenu event row selection

* remove Output parameter

* update dockerfile

* update docker compose file

src/app/components/context-menu/context-menu-outside-event.directive.ts

@@ -0,0 +1,28 @@
+import { Directive, Output, EventEmitter, OnInit, OnDestroy } from '@angular/core';
+import { fromEvent, Subscription } from 'rxjs';
+import { delay } from 'rxjs/operators';
+
+@Directive({
+  selector: '[acaContextMenuOutsideEvent]'
+})
+
+export class OutsideEventDirective implements OnInit, OnDestroy {
+    private subscriptions: Subscription[] = [];
+
+    @Output() clickOutside: EventEmitter<null> = new EventEmitter();
+
+    constructor() {}
+
+    ngOnInit() {
+        this.subscriptions = this.subscriptions.concat([
+            fromEvent(document, 'click')
+                .pipe(delay(1))
+                .subscribe(() => this.clickOutside.next())
+        ]);
+    }
+
+    ngOnDestroy() {
+        this.subscriptions.forEach(subscription => subscription.unsubscribe());
+        this.subscriptions = [];
+    }
+}