when it comes to KFileMetaInfo its bottleneck is determening what plugin to
use for the given URL/path - determening MIME type, matching globs, etc.
and it still is quite fast to the point where the flags are simply
redundant
Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
ideally, the keys would also be stored in the .desktop files so that
plugin instances would not have to be created from
KFileMetaInfo::supportedKeys() too
Signed-off-by: Ivailo Monev <xakepa10@gmail.com>