nvim-tree already tracks the current buffer via update_focused_file and
marks it with its own cursorline, but NvimTreeCursorLine links to
CursorLine, which catppuccin sets a shade away from the mantle the tree
draws itself on. The marker was there and unreadable.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>