When doing a duplicate search, filters which move (or copy) emails to the same
folder are not shown in the results list

We expect to find all filters that move mail into the same mail folder in order
to potentially merge them together.

Created an attachment (id=7887) [details]
qF 2.6.1 prerelease 40

The attached version matches the full target folder. In order to preserve space
in the duplicates dropdown and the context menus the folder is left truncated
at 30 characters.