Fix ColumnSorterMixin attribute name and sheet detection

Use itemDataMap (required by wx mixin) instead of item_data_map,
and use fp.GetSheetname() instead of GetProperties() lookup.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
2026-03-13 16:52:26 +00:00
parent 27b79d38a7
commit 5f59b3dd4f
2 changed files with 24 additions and 14 deletions