Drag to re-arrange custom columns not working

[mofojed]

Description

In the Grid Custom Columns side bar, unable to drag to re-arrange columns.

Steps to reproduce

1. Create a table, e.g.

from deephaven import empty_table
t = empty_table(100).update("x=i")

2. In the Custom Columns menu in the table side bar, add two custom columns, e.g. TEST1, TEST2, with just 1 and 2 as values
3. Drag the handle to re-arrange the custom columns

Expected results

3. The columns should be dragged and re-arrange

Actual results

3. Columns do not get dragged

Additional details and attachments

Versions

Engine Version: 0.25.0
Web UI Version: 0.38.0
Java Version: 11.0.18
Barrage Version: 0.5.0
OS: Ubuntu 22.04
Browser: Chrome 112.0.5615.49

[dsmmcken]

Also broken in silverheels