Fix browser back button navigation from Compare after clicking switch side

Steps to Reproduce:

1. Create / navigate to a Folderish containing at least four different Documents.
2. Select the first and second Documents among its contents and execute the Compare action.
3. After loading the Compare,  click on switch side.
4. click the Browser back button.

Expected result: the window navigates back to the Folderish view tab.

Actual result: Document comparisons continue to be loaded.