Use JsonResponse if */*

If no mimetype in request is given
or if any is accepted, choose JSON

basyx/aas/adapter/http_server.py

@@ -226,7 +226,7 @@ def get_response_type(request: Request) -> Type[APIResponse]:
         "application/xml": XmlResponse,
         "text/xml": XmlResponseAlt
     }
-    if len(request.accept_mimetypes) == 0:
+    if len(request.accept_mimetypes) == 0 or request.accept_mimetypes.best in (None, "*/*"):
         return JsonResponse
     mime_type = request.accept_mimetypes.best_match(response_types)
     if mime_type is None: