making UI use new create_capability_request route

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

@@ -34,7 +34,7 @@ export class CapabilityLauncherService {
    * @param: requestId  ID of capability request to submit
    */
   submit(requestId: string): Observable<CapabilityExecution> {
-    const url = `${environment.workspacesUrl}${this.endpoint}/${requestId}/submit`;
+    const url = `${environment.workspacesUrl}${this.endpoint}request/${requestId}/submit`;
     return this.httpClient.post<CapabilityExecution>(url, null);
   }
 }