Additional "Aggregate Group"columns can be added but not removed

[jamesscottbrown]

After grouping based on the values in a column, it is possible to use the "Add Column" control in the side panel to add addtional columns of type "Aggregate Group".

However, there is no obvious way to remove these: the context menu that opens after clicking on the 3 dots menu icon in the header does not include a "Delete" action.

When I...

To Reproduce

Expected behavior

Extra "Aggregate Group" columns should be deletable (though it is reasonable to disable deletion if a grouping is applied and there are no other Aggregate Group columns).

Screenshots