[Implemented] Custom title for TV episode extras

Feature Suggestions
5

I would definitely prefer the

TV Shows
 └─ Season 1
       └─ Show Name - sXXeYY - Title of Ep
              ├─ Show Name - sXXeYY - Title of Ep.ext
              ├─ Deleted Scenes
                    └─ Show Name - sXXeYY - Title of Ep.ext
              ├─ Behind The Scenes
                    └─ Show Name - sXXeYY - Title of Ep.ext