Destroy filterView on clicking back button
Destroy filterView on clicking back button

- destroy the filterView on clicking the back button from the data
  catalog page to ensure it will re-create properly

WikiWatershed/model-my-watershed,WikiWatershed/model-my-watershed,WikiWatershed/model-my-watershed,WikiWatershed/model-my-watershed,WikiWatershed/model-my-watershed