Revert "fix: SQL cell output broken in Colab due to anywidget HTML conflict"

This reverts commit 8ba60a1.

Author: shuoweil

bigframes/dataframe.py

@@ -864,7 +864,11 @@ def _get_anywidget_bundle(self, include=None, exclude=None):
         else:
             widget_repr = dict(widget_repr_result)
 
-        # Plain text representations to avoid multiple queries.
+        # At this point, we have already executed the query as part of the
+        # widget construction. Let's use the information available to render
+        # the HTML and plain text versions.
+        widget_repr["text/html"] = widget.table_html
+
         widget_repr["text/plain"] = self._create_text_representation(
             widget._cached_data, widget.row_count
         )

tests/system/small/test_anywidget.py

@@ -930,19 +930,6 @@ def test_repr_in_anywidget_mode_should_not_be_deferred(
         assert "page_1_row_1" in representation
 
 
-def test_repr_mimebundle_anywidget_no_html(
-    paginated_bf_df: bf.dataframe.DataFrame,
-):
-    """
-    Verify that in 'anywidget' mode, the mimebundle does not contain 'text/html'.
-    This is to prevent rendering conflicts in environments like Colab.
-    """
-    with bf.option_context("display.repr_mode", "anywidget"):
-        mimebundle = paginated_bf_df._repr_mimebundle_()
-        assert "text/html" not in mimebundle
-        assert "application/vnd.jupyter.widget-view+json" in mimebundle
-
-
 # TODO(b/332316283): Add tests for custom index and multiindex
 # This may not be necessary for the SQL Cell use case but should be
 # considered for completeness.