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Fix #7349: no cache list selection dialog

S-Bartfast/cgeo,auricgoldfinger/cgeo,auricgoldfinger/cgeo,S-Bartfast/cgeo,S-Bartfast/cgeo,cgeo/cgeo,cgeo/cgeo,tobiasge/cgeo,Bananeweizen/cgeo,matej116/cgeo,matej116/cgeo,auricgoldfinger/cgeo,cgeo/cgeo,rsudev/c-geo-opensource,tobiasge/cgeo,Bananeweizen/cgeo,matej116/cgeo,rsudev/c-geo-opensource,tobiasge/cgeo,cgeo/cgeo,rsudev/c-geo-opensource,Bananeweizen/cgeo