Adding [order field] to list_display causes it to display twice

[mkoistinen]

Using latest release (0.6.19) on Django 1.11.6 and Python 3.6, if we include our order field in the list_display member, the result is that the column is displayed twice, once as sort gadgets and once with values. Also, they are side-by-side at the position in the field list the order field was added.

Example:

In this ModelAdmin, I've set:

list_display = ('label', 'order', 'code') # "order" is the order field

Result:

This may be the intended behavior, but I think that the affect of adding the order field to the list_display should only change the position of the sorting column and never actually display the value of the order field. Why? Because, if you just want to display the order field's value here, just remove the DAS2 mixin entirely. Or, if you want to have ordering with DAS2 and display that value, its trivial to make a custom method-based "field" and add that.

I may jump in and work on this, but I'd like to here from @jrief and/or the community first.

[phippsa]

Can confirm we are seeing the same thing when we upgraded from 0.6.18 to 0.6.19 with django 1.11.1 and python 3.5.2