Fix double click sometimes loading last saved image (fix #757)
Fix double click sometimes loading last saved image (fix #757)

YoukaiCat/imgbrd-grabber,Bionus/imgbrd-grabber,YoukaiCat/imgbrd-grabber,Bionus/imgbrd-grabber,Bionus/imgbrd-grabber,Bionus/imgbrd-grabber,Bionus/imgbrd-grabber,Bionus/imgbrd-grabber