Set minimum width for popovers
Set minimum width for popovers

This fixes some weird small-width popovers on the thumbnail history
when a thumbnail is being moved around.

Signed-off-by: Florian Pritz <753f544d2d01592750fb4bd29251b78abcfc8ecd@xinu.at>

Bluewind/filebin,Bluewind/filebin,Bluewind/filebin,Bluewind/filebin,Bluewind/filebin