Simplify `ActiveProperty` repr
Simplify `ActiveProperty` repr

We want to see what it represents, not a valid (and way too long)
`eval`able string.

MarauderXtreme/sipa,lukasjuhrich/sipa,lukasjuhrich/sipa,agdsn/sipa,MarauderXtreme/sipa,lukasjuhrich/sipa,agdsn/sipa,agdsn/sipa,MarauderXtreme/sipa,agdsn/sipa,lukasjuhrich/sipa