tweak manual cal create-and-submit call

apps/web/src/app/workspaces/services/capability-launcher.service.ts

@@ -77,6 +77,6 @@ export class CapabilityLauncherService {
     parameters: JsonObject,
   ): Observable<any> {
     const url = this.endpoint + capabilityName + "/request/create-and-submit";
-    return this.httpClient.post<any>(url, JSON.stringify(parameters));
+    return this.httpClient.post<any>(url, JSON.stringify({parameters: parameters}));
   }
 }