Fix modal documentation (#22252)
Fix modal documentation (#22252)

The example code has the class `"modal fade"`, but the visible example has the class `"modal"`. `"fade"` appears to not work for modals that you do not intend to animate onto the page
bootstrapbrasil/bootstrap,janseliger/bootstrap,Hemphill/bootstrap-docs,TheFridayInstitute/bootstrap,9-chirno/chirno,nice-fungal/bootstrap,SweetProcess/bootstrap,jipexu/bootstrap,kvlsrg/bootstrap,m5o/bootstrap,davethegr8/bootstrap,sealocal/bootstrap,andresgalante/bootstrap,tagliala/bootstrap,Lyricalz/bootstrap,andresgalante/bootstrap,NCARB/bootstrap,SweetProcess/bootstrap,yuyokk/bootstrap,gijsbotje/bootstrap,Scoutski/bootstrap,vsn4ik/bootstrap,xt0rted/bootstrap,johnajacob/bootstrap,edanbarak/bootstrap,creativewebjp/bootstrap,stanwmusic/bootstrap,IdanCo/bootstrap,inway/bootstrap,Lyricalz/bootstrap,bardiharborow/bootstrap,NCARB/bootstrap,NCARB/bootstrap,janseliger/bootstrap,tjkohli/bootstrap,tibo66/bootstrap,coliff/bootstrap,supergibbs/bootstrap,tagliala/bootstrap,edanbarak/bootstrap,seanwu99/bootstrap,tibo66/bootstrap,stanwmusic/bootstrap,Lyricalz/bootstrap,igoynawamreh/bootstrap,davethegr8/bootstrap,andresgalante/bootstrap,nice-fungal/bootstrap,IdanCo/bootstrap,igoynawamreh/bootstrap,afuno/bootstrap,Scoutski/bootstrap,supergibbs/bootstrap,Hemphill/bootstrap-docs,jipexu/bootstrap,inway/bootstrap,davethegr8/bootstrap,peterblazejewicz/bootstrap,fschumann1211/bootstrap,lipis/bootstrap,fschumann1211/bootstrap,Hemphill/bootstrap-docs,gijsbotje/bootstrap,kvlsrg/bootstrap,joblocal/bootstrap,realcrowd/bootstrap,edanbarak/bootstrap,fschumann1211/bootstrap,creativewebjp/bootstrap,lipis/bootstrap,tibo66/bootstrap,sealocal/bootstrap,zalog/bootstrap,joblocal/bootstrap,afuno/bootstrap,Delagen/bootstrap,vsn4ik/bootstrap,9-chirno/chirno,bootstrapbrasil/bootstrap,bardiharborow/bootstrap,lipis/bootstrap,Delagen/bootstrap,twbs/bootstrap,9-chirno/chirno,hebbet/bootstrap,seanwu99/bootstrap,hebbet/bootstrap,seanwu99/bootstrap,tibo66/bootstrap,vsn4ik/bootstrap,yuyokk/bootstrap,fschumann1211/bootstrap,joblocal/bootstrap,NCARB/bootstrap,jipexu/bootstrap,zalog/bootstrap,hebbet/bootstrap,kvlsrg/bootstrap,realcrowd/bootstrap,TheFridayInstitute/bootstrap,m5o/bootstrap,peterblazejewicz/bootstrap,GerHobbelt/bootstrap,coliff/bootstrap,IdanCo/bootstrap,vsn4ik/bootstrap,joblocal/bootstrap,Delagen/bootstrap,TheFridayInstitute/bootstrap,GerHobbelt/bootstrap,bardiharborow/bootstrap,peterblazejewicz/bootstrap,jipexu/bootstrap,Lyricalz/bootstrap,zalog/bootstrap,davethegr8/bootstrap,johnajacob/bootstrap,9-chirno/chirno,Scoutski/bootstrap,supergibbs/bootstrap,johnajacob/bootstrap,hebbet/bootstrap,tjkohli/bootstrap,bardiharborow/bootstrap,GerHobbelt/bootstrap,igoynawamreh/bootstrap,gijsbotje/bootstrap,igoynawamreh/bootstrap,tagliala/bootstrap,TheFridayInstitute/bootstrap,nice-fungal/bootstrap,realcrowd/bootstrap,supergibbs/bootstrap,sealocal/bootstrap,yuyokk/bootstrap,Hemphill/bootstrap-docs,xt0rted/bootstrap,creativewebjp/bootstrap,edanbarak/bootstrap,janseliger/bootstrap,xt0rted/bootstrap,xt0rted/bootstrap,SweetProcess/bootstrap,Scoutski/bootstrap,gijsbotje/bootstrap,afuno/bootstrap,lemuelbarango/bootstrap,IdanCo/bootstrap,lemuelbarango/bootstrap,stanwmusic/bootstrap,andresgalante/bootstrap,seanwu99/bootstrap,johnajacob/bootstrap,afuno/bootstrap,stanwmusic/bootstrap,bootstrapbrasil/bootstrap,Delagen/bootstrap,realcrowd/bootstrap,creativewebjp/bootstrap,SweetProcess/bootstrap,yuyokk/bootstrap,lemuelbarango/bootstrap,janseliger/bootstrap,sealocal/bootstrap,inway/bootstrap,twbs/bootstrap,lemuelbarango/bootstrap,lipis/bootstrap