Agreement and Platform items in results panes lose "selected" style

Overview:
Steps to Reproduce:

1. Log into Snapshot
2. Open the Agreements app. Ensure at least two agreements exist.
3. In the search results pane, select an agreement to open the view pane.
4. Notice how the item you selected in the result pane is not indicated, the "selected" style is not applied.

See the attached mp4.

Expected Results:
The currently selected item should be highlighted in the same style as shown in the below screen snip.

Additional Information:
The problem also occurs in Platforms search and sort.