Training session list item 'areas covered' should be in order. In this image, the second icon should be first.  [session_cats() in nt_training_sessions.py](https://github.com/samozzy/nt_training/blob/46bb65933741d644b27f2ffd11735087623bd027/nt_training/templatetags/nt_training_sessions.py#L56) is where the issue lies.
Training session list item 'areas covered' should be in order. In this image, the second icon should be first.
session_cats() in nt_training_sessions.py is where the issue lies.