Migration of registerCustomMenu for Menu in Svelte

Refactor subMenuStore
Suppression of old MenuScene and ReportMenu

front/src/Api/Events/ui/MenuItemRegisterEvent.ts

@@ -1,5 +1,6 @@
 import * as tg from "generic-type-guard";
 import { Subject } from "rxjs";
+import { subMenusStore } from "../../../Stores/MenuStore";
 
 export const isMenuItemRegisterEvent = new tg.IsInterface()
     .withProperties({
@@ -22,5 +23,5 @@ const _registerMenuCommandStream: Subject<string> = new Subject();
 export const registerMenuCommandStream = _registerMenuCommandStream.asObservable();
 
 export function handleMenuItemRegistrationEvent(event: MenuItemRegisterEvent) {
-    _registerMenuCommandStream.next(event.menutItem);
+    subMenusStore.addMenu(event.menutItem);
 }