Give dynamic containers the same show more behaviour on mobile as on desktop
Fix deduping test
Merge pull request #6128 from guardian/dynamic-show-more

Give dynamic containers the same show more behaviour on mobile as on desktop
Merge branch 'master' of github.com:guardian/frontend into commerical-facelift
Merge branch 'commerical-facelift' of github.com:guardian/frontend into commerical-facelift
Fix DFP single component wrapping issues