Fix loading in New state.

src/Squidex/app/features/content/pages/content/content-page.component.ts

@@ -78,6 +78,8 @@ export class ContentPageComponent extends ResourceOwner implements CanComponentD
     }
 
     public ngOnInit() {
+        this.contentsState.loadIfNotLoaded();
+
         this.own(
             this.languagesState.languages
                 .subscribe(languages => {

src/Squidex/app/shared/state/contents.state.ts

@@ -6,7 +6,7 @@
  */
 
 import { Injectable } from '@angular/core';
-import { forkJoin, Observable, of } from 'rxjs';
+import { forkJoin, Observable, of, empty } from 'rxjs';
 import { catchError, switchMap, tap } from 'rxjs/operators';
 
 import {
@@ -124,6 +124,14 @@ export abstract class ContentsStateBase extends State<Snapshot> {
         return this.loadInternal(isReload);
     }
 
+    public loadIfNotLoaded(): Observable<any> {
+        if (this.snapshot.isLoaded) {
+            return empty();
+        }
+
+        return this.loadInternal(false);
+    }
+
     private loadInternal(isReload = false) {
         return this.loadInternalCore(isReload).pipe(shareSubscribed(this.dialogs));
     }