v5: Don't automatically adjust all hr elements in alert variants (#28462)
v5: Don't automatically adjust all hr elements in alert variants (#28462)


tjkohli/bootstrap,m5o/bootstrap,tagliala/bootstrap,kvlsrg/bootstrap,stanwmusic/bootstrap,inway/bootstrap,zalog/bootstrap,twbs/bootstrap,inway/bootstrap,tagliala/bootstrap,tjkohli/bootstrap,kvlsrg/bootstrap,stanwmusic/bootstrap,peterblazejewicz/bootstrap,twbs/bootstrap,coliff/bootstrap,zalog/bootstrap,m5o/bootstrap,kvlsrg/bootstrap,coliff/bootstrap,stanwmusic/bootstrap,tagliala/bootstrap,stanwmusic/bootstrap,peterblazejewicz/bootstrap,GerHobbelt/bootstrap,inway/bootstrap,GerHobbelt/bootstrap,GerHobbelt/bootstrap,zalog/bootstrap,peterblazejewicz/bootstrap