fix regex

Author: ikreymer

backend/btrixcloud/pages.py

@@ -935,7 +935,7 @@ async def get_top_page_origins(
                         "origin": {
                             "$regexFind": {
                                 "input": "$url",
-                                "regex": "^https?://([^/])+",
+                                "regex": "^https?://([^/]+)",
                             }
                         }
                     }