duplicate date http headers for some resources

**Describe the bug** Duplicate Date http-header. **Version** 1.55.3 **How did you install?** docker compose **To Reproduce** Steps to reproduce the behavior: open dev-tools in browser, type url below http://ip-of-changedetection:port/static/styles/styles.css?v=0.55.3 response header has duplicate Date header. Same with /static/js/socket.io.min.js /static/js/jquery-3.6.0.min.js /static/js/feather-icons.min.js not sure I captured all urls with duplicate header. when run behind a nginx reverse proxy, nginx aborts connections because of this. **Expected behavior** no duplicate header. **Desktop (please complete the following information):** - OS: linux with docker running changedetection container - Browser: chrome windows, brave windows **Smartphone (please complete the following information):** - Device: [e.g. iPhone6] - OS: [e.g. iOS8.1] - Browser [e.g. stock browser, safari] - Version [e.g. 22] **Additional context** Add any other context about the problem here.