Add @SkipSelf() to every injection of HttpClient in lazy-loaded modules.

src/app/shared/websocket-backend.service.ts

src/app/superadmin/backend.service.ts

src/app/sys-check/backend.service.ts

src/app/test-controller/backend.service.ts

src/app/test-controller/command.service.ts

...iles/iqb-files/iqbFilesUpload/iqbFilesUpload.component.ts