Multiline closed dataset column header (#21)

- Split the closed dataset headers into 2 lines (e7c01ac3de212ba913661b9e3150f0a2efa92051)

app/backend/multi_header_util.py

@@ -40,7 +40,7 @@ def format_closed_dataset_header(column_name):
             description_part = "(" + parts[1]  # "(description)"
             return f"{dataset_part}\n{description_part}"
     
-    # Return original if it doesn't match the pattern
+    # Return original if it doesn't match the pattern, removing underscores
     return column_name.replace('_', '')
 
 
@@ -82,19 +82,11 @@ def mutil_header_options(column_list: list, avg_column: str, is_section: bool):
         'children': [
             {'headerName': format_closed_dataset_header(column),
              'field': column,
-
-             "headerComponentParams": {
-                 "innerHeaderComponent": "linkHeaderComponent",
-                 "url": LINK + get_dataset_url_name(column),
-                 "headerName": column
-             },
-
              'headerClass': 'custom-header-style',
              'cellClass': 'custom-cell-style',
              'sortable': True,
              # 'width': 150,
              "suppressColumnVirtualisation": True,
-
              } for column in close_group_list
         ],