The context menu of a folder node in th Summary view of Lokalize
allows openning all the container files.
While this can be useful, accidentally selecting this option on the root
node of a large project (e.g. KDE translations) can be troublesome.
I’ve ripped off Dolphin’s approach for the same issue here: if more than
5 items are about to be opened, ask for user confirmation first.
I’ve used Dolphin’s limit (5), but I’m open to using a higher value for