[Dropdown] Fix horizontal position with additional classes #8572
[Dropdown] Fix horizontal position with additional classes #8572

Fix https://github.com/zurb/foundation-sites/issues/8572
> [Dropdown] Horizontal position does not work with additional classes

karland/foundation-sites,samuelmc/foundation-sites,zurb/foundation,denisahac/foundation-sites,denisahac/foundation-sites,abdullahsalem/foundation-sites,brettsmason/foundation-sites,Owlbertz/foundation,socketz/foundation-multilevel-offcanvas,ucla/foundation-sites,zurb/foundation-sites,Owlbertz/foundation,BerndtGroup/TBG-foundation-sites,zurb/foundation-sites,socketz/foundation-multilevel-offcanvas,abdullahsalem/foundation-sites,jamesstoneco/foundation-sites,jamesstoneco/foundation-sites,aoimedia/foundation,Owlbertz/foundation,jaylensoeur/foundation-sites-6,DaSchTour/foundation-sites,denisahac/foundation-sites,atmmarketing/foundation-sites,sethkane/foundation-sites,PassKitInc/foundation-sites,BerndtGroup/TBG-foundation-sites,atmmarketing/foundation-sites,karland/foundation-sites,IamManchanda/foundation-sites,atmmarketing/foundation-sites,dragthor/foundation-sites,designerno1/foundation-sites,natewiebe13/foundation-sites,natewiebe13/foundation-sites,brettsmason/foundation-sites,andycochran/foundation-sites,abdullahsalem/foundation-sites,zurb/foundation-sites,zurb/foundation,samuelmc/foundation-sites,brettsmason/foundation-sites,jeromelebleu/foundation-sites,IamManchanda/foundation-sites,jeromelebleu/foundation-sites,dimamedia/foundation-6-sites-simple-scss-and-js,sethkane/foundation-sites,jaylensoeur/foundation-sites-6,PassKitInc/foundation-sites,dragthor/foundation-sites,jaylensoeur/foundation-sites-6,colin-marshall/foundation-sites,karland/foundation-sites,dimamedia/foundation-6-sites-simple-scss-and-js,samuelmc/foundation-sites,natewiebe13/foundation-sites,andycochran/foundation-sites,andycochran/foundation-sites,IamManchanda/foundation-sites,colin-marshall/foundation-sites,aoimedia/foundation,designerno1/foundation-sites,colin-marshall/foundation-sites,sethkane/foundation-sites,ucla/foundation-sites,jamesstoneco/foundation-sites,BerndtGroup/TBG-foundation-sites,dragthor/foundation-sites,jeromelebleu/foundation-sites,ucla/foundation-sites,socketz/foundation-multilevel-offcanvas,Owlbertz/foundation,zurb/foundation,aoimedia/foundation,DaSchTour/foundation-sites,PassKitInc/foundation-sites,designerno1/foundation-sites