Mark upcoming duplicate recordings in the GUI with a line-through
The advanced and expert views on the upcoming tab have a column for the duplicate date ("rerun of"). But on the basic view there is no indication of duplicates unless you click information on the entry. This means it looks like shows are scheduled that are duplicates.
I'll update the upcoming grid for all views to check the existing duplicate flag and render the title/subtitle with a css line-through if it is a duplicate. This makes it easy to see duplicates and the user can still click info to see the existing detailed duplicate information.