Fix mmeng-4362: re-sort the indexing page items

Author: ligangty

charon/pkgs/indexing.py

@@ -174,8 +174,8 @@ def __to_html_content(package_type: str, contents: List[str], folder: str) -> st
             items = temp_items
     else:
         items.extend(contents)
-    items_set = set(__sort_index_items(items))
-    index = IndexedHTML(title=folder, header=folder, items=items_set)
+    items_result = list(filter(lambda c: c.strip(), __sort_index_items(set(items))))
+    index = IndexedHTML(title=folder, header=folder, items=items_result)
     return index.generate_index_file_content(package_type)
 
 
@@ -303,8 +303,8 @@ def re_index(
                         real_contents.append(c)
         else:
             real_contents = contents
-        logger.debug(real_contents)
         index_content = __to_html_content(package_type, real_contents, path)
+        logger.debug("The re-indexed page content: %s", index_content)
         if not dry_run:
             index_path = os.path.join(path, "index.html")
             if path == "/":