Add ability to edit model source views with a drop-down/"path-finder" after creating the view

When creating a virtual view, you are allowed to choose/add source views/paths from a dropdown selection. Once the view has been created, if you would like to edit or add to the source views for that view, the only method is to type the path into the Source Views: text box. This requires the user to know the exact path and include the ";" delimiter. This type of modification can lead to more mistakes when modifying. The UI would benefit from the ability to add/delete source views when editing a view in the same manner as when the view is being created (drop down path selection).