Query Editor: Unable to visualize preview data result set

Steps to reproduce:

1. Click on a table node to preview it data.
2. Click on the "Show Visualized Configuration" button (The second button right after the execute button)
3. Choose a chart type then select the resultset to visualize

Expected:
The X axis and Y Axis dropdown inputs should have a list of column names.

Actual:
The X axis and Y Axis dropdown inputs have no items to select.