Fix dropdown arrow height, refs #6376
Fix dropdown arrow height, refs #6376

CENDARI/atom,artefactual/atom,artefactual/atom,Surfrdan/atom,Surfrdan/atom,CENDARI/atom,Surfrdan/atom,kyfr59/atom-cg35,CENDARI/atom,artefactual/atom,kyfr59/atom-cg35,kyfr59/atom-cg35