Clear mini editor base select list cancelled()
Clear mini editor base select list cancelled()

Clearing the mini editor when closing is something
all sub-classes were already doing so it makes sense
to pull it up to the base class as the default
cancelled() implementation that can still be overridden
if needed.

nielsAD/fuzzy-finder,atom/fuzzy-finder,Kerruba/fuzzy-finder,Spy-Seth/fuzzy-finder,segiddins/fuzzy-finder,Spy-Seth/fuzzy-finder,pombredanne/fuzzy-finder,nielsAD/fuzzy-finder,pombredanne/fuzzy-finder,gvanderest/fuzzy-finder,toshi-saito/fuzzy-finder,viddo/fuzzy-finder,Kerruba/fuzzy-finder,gvanderest/fuzzy-finder,segiddins/fuzzy-finder,viddo/fuzzy-finder