How to get Evaluate Expression dialog to show Collection types as "Collections" instead of Object[] arrays?

I'm having trouble getting the evaluate expression dialog box to show Collections instead of Object[] arrays. It used to display correctly, but there was a setting I tweaked and I'm unable to find the setting to revert back.

Here is what is looks like now:

Here is what I would like it to look like. To get it to show like this, I right clicked on the result, and selected View as -> Collection. But how do I get it to display like this by default?