Add Most Wanted Features entries for <dialog>
Add Most Wanted Features entries for <dialog>

Refs https://bugzil.la/840640
Refs https://webkit.org/b/84635

[skip sauce]

kvlsrg/bootstrap,Lyricalz/bootstrap,NCARB/bootstrap,9-chirno/chirno,janseliger/bootstrap,slavanga/bootstrap,abvalentine/bootstrap,xt0rted/bootstrap,kvlsrg/bootstrap,Lyricalz/bootstrap,afuno/bootstrap,afuno/bootstrap,slavanga/bootstrap,abvalentine/bootstrap,n054/bootstrap,joblocal/bootstrap,Delagen/bootstrap,igoynawamreh/bootstrap,bootstrapbrasil/bootstrap,sealocal/bootstrap,lemuelbarango/bootstrap,seanwu99/bootstrap,nice-fungal/bootstrap,johnajacob/bootstrap,Hemphill/bootstrap-docs,fschumann1211/bootstrap,fschumann1211/bootstrap,lipis/bootstrap,johnajacob/bootstrap,andresgalante/bootstrap,stanwmusic/bootstrap,SweetProcess/bootstrap,lipis/bootstrap,yuyokk/bootstrap,lemuelbarango/bootstrap,GerHobbelt/bootstrap,IdanCo/bootstrap,JumpLinkNetwork/bootstrap-backward,NCARB/bootstrap,Delagen/bootstrap,jipexu/bootstrap,johnajacob/bootstrap,abvalentine/bootstrap,hebbet/bootstrap,copperdesign/bootstrap,Lyricalz/bootstrap,peterblazejewicz/bootstrap,tjkohli/bootstrap,gijsbotje/bootstrap,davethegr8/bootstrap,jipexu/bootstrap,hebbet/bootstrap,tagliala/bootstrap,gijsbotje/bootstrap,bardiharborow/bootstrap,Hemphill/bootstrap-docs,Scoutski/bootstrap,edanbarak/bootstrap,NCARB/bootstrap,TheFridayInstitute/bootstrap,supergibbs/bootstrap,zalog/bootstrap,IdanCo/bootstrap,TheFridayInstitute/bootstrap,andresgalante/bootstrap,TheFridayInstitute/bootstrap,coliff/bootstrap,GerHobbelt/bootstrap,JumpLinkNetwork/bootstrap-backward,m5o/bootstrap,wesamco/bootstrap-rtl,yuyokk/bootstrap,sealocal/bootstrap,tagliala/bootstrap,vsn4ik/bootstrap,bootstrapbrasil/bootstrap,bardiharborow/bootstrap,xt0rted/bootstrap,TheFridayInstitute/bootstrap,9-chirno/chirno,lipis/bootstrap,n054/bootstrap,tjkohli/bootstrap,realcrowd/bootstrap,realcrowd/bootstrap,twbs/bootstrap,lipis/bootstrap,IdanCo/bootstrap,andresgalante/bootstrap,stanwmusic/bootstrap,bootstrapbrasil/bootstrap,tomlutzenberger/bootstrap,SweetProcess/bootstrap,edanbarak/bootstrap,davethegr8/bootstrap,edanbarak/bootstrap,Lyricalz/bootstrap,tibo66/bootstrap,tagliala/bootstrap,johnajacob/bootstrap,zalog/bootstrap,SweetProcess/bootstrap,creativewebjp/bootstrap,joblocal/bootstrap,sealocal/bootstrap,copperdesign/bootstrap,wesamco/bootstrap-rtl,jipexu/bootstrap,vsn4ik/bootstrap,igoynawamreh/bootstrap,Scoutski/bootstrap,bardiharborow/bootstrap,nice-fungal/bootstrap,inway/bootstrap,supergibbs/bootstrap,tibo66/bootstrap,peterblazejewicz/bootstrap,lemuelbarango/bootstrap,copperdesign/bootstrap,afuno/bootstrap,tomlutzenberger/bootstrap,NCARB/bootstrap,afuno/bootstrap,9-chirno/chirno,tibo66/bootstrap,n054/bootstrap,copperdesign/bootstrap,gijsbotje/bootstrap,janseliger/bootstrap,joblocal/bootstrap,joblocal/bootstrap,JumpLinkNetwork/bootstrap-backward,realcrowd/bootstrap,coliff/bootstrap,SweetProcess/bootstrap,fschumann1211/bootstrap,igoynawamreh/bootstrap,sealocal/bootstrap,stanwmusic/bootstrap,wesamco/bootstrap-rtl,janseliger/bootstrap,davethegr8/bootstrap,lemuelbarango/bootstrap,tibo66/bootstrap,yuyokk/bootstrap,xt0rted/bootstrap,GerHobbelt/bootstrap,zalog/bootstrap,supergibbs/bootstrap,creativewebjp/bootstrap,vsn4ik/bootstrap,creativewebjp/bootstrap,slavanga/bootstrap,seanwu99/bootstrap,peterblazejewicz/bootstrap,hebbet/bootstrap,edanbarak/bootstrap,Hemphill/bootstrap-docs,hebbet/bootstrap,Delagen/bootstrap,seanwu99/bootstrap,igoynawamreh/bootstrap,jipexu/bootstrap,tomlutzenberger/bootstrap,davethegr8/bootstrap,twbs/bootstrap,kvlsrg/bootstrap,inway/bootstrap,fschumann1211/bootstrap,nice-fungal/bootstrap,creativewebjp/bootstrap,yuyokk/bootstrap,IdanCo/bootstrap,n054/bootstrap,Delagen/bootstrap,gijsbotje/bootstrap,supergibbs/bootstrap,vsn4ik/bootstrap,abvalentine/bootstrap,realcrowd/bootstrap,m5o/bootstrap,Hemphill/bootstrap-docs,wesamco/bootstrap-rtl,Scoutski/bootstrap,andresgalante/bootstrap,janseliger/bootstrap,xt0rted/bootstrap,JumpLinkNetwork/bootstrap-backward,9-chirno/chirno,bardiharborow/bootstrap,inway/bootstrap,stanwmusic/bootstrap,seanwu99/bootstrap,slavanga/bootstrap,Scoutski/bootstrap