fix(core): add view clear before creating view

add snq to permission guard

npm/ng-packs/packages/core/src/lib/directives/permission.directive.ts

@@ -34,6 +34,7 @@ export class PermissionDirective implements OnInit, OnDestroy {
         .pipe(takeUntilDestroy(this))
         .subscribe(isGranted => {
           if (this.templateRef && isGranted) {
+            this.vcRef.clear();
             this.vcRef.createEmbeddedView(this.templateRef);
           } else if (this.templateRef && !isGranted) {
             this.vcRef.clear();

npm/ng-packs/packages/core/src/lib/guards/permission.guard.ts

@@ -14,7 +14,7 @@ export class PermissionGuard implements CanActivate {
   constructor(private store: Store) {}
 
   canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<boolean> {
-    let resource = snq(() => route.data.routes.requiredPolicy) || (route.data.requiredPolicy as string);
+    let resource = snq(() => route.data.routes.requiredPolicy) || snq(() => route.data.requiredPolicy as string);
     if (!resource) {
       resource = snq(
         () => route.routeConfig.children.find(child => state.url.indexOf(child.path) > -1).data.requiredPolicy,