Fixed mirage not respecting ?limit=all queries
Fixed mirage not respecting ?limit=all queries

no issue
- the `paginatedResponse` helper util tries to convert strings to integers but had no logic for handling `'all'` so it would always default to 15 in that case

TryGhost/Ghost-Admin,kevinansfield/Ghost-Admin,TryGhost/Ghost-Admin,kevinansfield/Ghost-Admin